US Bridges

County Road 112 over Fortification Creek

Fair

Moffat County, Colorado · 0.22 MI So. ST HWY 13 · Structure no. MOF112-00.22

Built
1950
75 years old, rebuilt 1978
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
184
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 112 over Fortification Creek is a steel stringer/multi-beam or girder carrying County Road 112 over Fortification Creek in Moffat County, Colorado. It was built in 1950 and reconstructed in 1978, so it is 75 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 184 vehicles a day, roughly 38% of them trucks, projected to reach 216 by 2042. The structure is 34 ft (10.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty Road 112
CrossesFortification Creek
Location0.22 MI So. ST HWY 13
RouteCounty Highway 0
CountyMoffat County
StateColorado
Coordinates40.5476, -107.52891
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span32 ft (9.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic184 (2023)
Projected traffic216 by 2042
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County Road 112 over Fortification Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1978.

What condition is County Road 112 over Fortification Creek 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 County Road 112 over Fortification Creek carry?

About 184 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is County Road 112 over Fortification Creek?

The structure is 34 ft (10.5 m) long with a longest span of 32 ft (9.7 m) and a deck 24 ft wide.

Who owns County Road 112 over Fortification Creek?

It is owned by the County Highway Agency.