US Bridges

County Road 185 over Fortification Creek

Poor

Moffat County, Colorado · 0.15 MI W of SH 13 · Structure no. MOF185.0-00.15

Built
2002
23 years old
Condition
Poor
inspected October 2023
Type
Girder and Floorbeam System
Steel
Length
30 ft
1 main span
Daily traffic
15
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 185 over Fortification Creek is a steel girder and floorbeam system carrying County Road 185 over Fortification Creek in Moffat County, Colorado. It was built in 2002, so it is 23 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 15 vehicles a day, projected to reach 18 by 2042. The structure is 30 ft (9.2 m) long and 18 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesCounty Road 185
CrossesFortification Creek
Location0.15 MI W of SH 13
RouteCounty Highway 0
CountyMoffat County
StateColorado
Coordinates40.68822, -107.48301
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.2 US tons
Inventory rating6.7 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span29 ft (8.8 m)
Deck width18 ft (5.4 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2023)
Projected traffic18 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$740,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 185 over Fortification Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 185 over Fortification Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does County Road 185 over Fortification Creek carry?

About 15 vehicles per day (2023 count).

How long is County Road 185 over Fortification Creek?

The structure is 30 ft (9.2 m) long with a longest span of 29 ft (8.8 m) and a deck 18 ft wide.

Who owns County Road 185 over Fortification Creek?

It is owned by the County Highway Agency.