This Pre-Solicitation opportunity from Department Of Transportation was posted on August 25, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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CO NP ROMO 407(1) Holzwarth Culvert

Closed

6982AF26B000012Federal

Submission Closed09/09/2026, 08:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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about 6 hours ago

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AI Contract Overview

Project CO NP ROMO 407(1), titled the Holzwarth Culvert, involves replacing a deficient six-barrel corrugated metal arch pipe culvert with a new steel girder bridge and cast-in-place concrete deck. Located in Rocky Mountain National Park near Grand Lake, Colorado, at an elevation of 8,900 feet, the project aims to prevent roadway damage and flooding while ensuring continued access to the Holzwarth Historic Site, employee housing, and various recreation areas. The scope of work includes the removal of the existing culvert, installation of new bridge abutments and micropiles, temporary stream diversion with riprap, new aggregate roadway surfacing, and the relocation of an electrical line and historic head gates. The project requires specific logistical considerations, including temporary road widening and a truck turnaround due to the narrow 13-foot width of the access road and environmental restrictions. Key deliverables include a 10 by 48-foot modular steel vehicular bridge and approximately 180 linear feet of micropiles. The estimated cost range is between 700,000 and 2,000,000 dollars. The anticipated schedule begins with advertisement in September 2026, with the award and notice to proceed in December 2026, and a final contract completion date set for November 2027.

General Info

Replace Holzwarth culvert with steel bridge in Colorado; budget $700k-$2M, completion November 2027.

Agency

Department Of Transportation → 6982AF Central Federal Lands Divisi

NAICS

237310 - Highway, Street, and Bridge Construction

Place of Performance

Grand Lake, CO, 80447, USA

Set-Aside

NONE

Documents

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Timeline

PhaseClosed

PostedAug 25

Presolicitation

Response DeadlineSep 9

Deadline has passed

Submission Closed

09/09/2026, 08:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Transportation → 6982AF Central Federal Lands Divisi

Contacts2 people available

OfficeLAKEWOOD, CO, 80228, USA

Organization / AgencyDepartment Of Transportation → 6982AF Central Federal Lands Divisi

Office AddressLAKEWOOD, CO, 80228, USA

Contacts

Denise Martinez

contact@example.gov

Ryan D. Phillips

contact@example.gov

Full Description

THIS IS NOT AN INVITATION FOR BID, PLAN AND SPECIFICATIONS ARE NOT AVAILABLE

PROJECT NUMBER: CO NP ROMO 407(1)

PROJECT NAME: Holzwarth Culvert

PROJECT DESCRIPTION:

This project will replace the deficient Holzwarth Culvert (Structure No. 1520-029S), a six-barrel corrugated metal arch pipe culvert on the Holzwarth Access Road with a steel girder bridge. Located in Rocky Mountain National Park, approximately nine miles north of Grand Lake, CO, along US HWY 34 at an elevation of 8,900 feet, the culvert conveys flow from the Colorado River and provides access to the Holzwarth Historic Site. The purpose of this project is to prevent future roadway damage and flooding while maintaining access to employee housing, the historic site, and National Park Service and Forest Service recreation opportunities.

SCOPE OF THE WORK:

The project will consist of removal of the existing six barrel culvert and construction of a new steel girder bridge with a cast in place concrete deck. New bridge abutments and micropiles. Temporary stream diversion and riprap. New aggregate roadway surfacing. Relocation of an existing electrical line. Relocation of existing historic head gates into a new concrete slab. Access to the site is through a gate at the south end of the Holzwarth Historic Site Parking Lot and along the Holzwarth Culvert Access Road. The Holzwarth Culvert Access Road is approximately 13’ wide with tight turns. Temporary widening will be necessary to prevent truck off tracking on to sensitive environmental resources. A temporary truck turnaround will also be necessary as no construction access is allowed more than 100’ west of the bridge.

PRINCIPAL WORK ITEMS:

20304-2000 Removal of Bridge: 1 EACH
30202-2000 Roadway Aggregate, Method 2: 120 TON
55504-0000 Prefabricated Steel Bridge (10’ wide x 48’ long modular steel vehicular bridge): 1 LPSM
56701-0000 Micropile (8.68” dia.): 180 LNFT
62801-0000 Temporary Stream Diversion: 1 LPSM

ANTICIPATED SCHEDULE:

Advertisement – September 2026

Award – December 2026

NTP – December 2026

Contract Completion – November 2027

ESTIMATED COST RANGE:

Total estimated cost between $700,000 and $2,000,000.