US Bridges

First Street over Cedar Mountain Gulch

Fair

Moffat County, Colorado · 50 Ft West of ST HWY 13 · Structure no. CRAIG-FIRST ST

Built
1980
45 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
35 ft
6 main spans
Daily traffic
1,267
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

First Street over Cedar Mountain Gulch is a steel culvert carrying First Street over Cedar Mountain Gulch in Moffat County, Colorado. It was built in 1980, so it is 45 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,267 vehicles a day, roughly 16% of them trucks, projected to reach 1,483 by 2042. The structure is 35 ft (10.7 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFirst Street
CrossesCedar Mountain Gulch
Location50 Ft West of ST HWY 13
RouteCity Street 0
Coordinates40.5094, -107.57926
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans6
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span5 ft (1.4 m)
Deck width106 ft (32.2 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,267 (2023)
Projected traffic1,483 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was First Street over Cedar Mountain Gulch built?

It was built in 1980, making it 45 years old in 2025.

What condition is First Street over Cedar Mountain Gulch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does First Street over Cedar Mountain Gulch carry?

About 1,267 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is First Street over Cedar Mountain Gulch?

The structure is 35 ft (10.7 m) long with a longest span of 5 ft (1.4 m) and a deck 106 ft wide.

Who owns First Street over Cedar Mountain Gulch?

It is owned by the City or Municipal Highway Agency.