US Bridges

County Road 38 over Slater Creek

Fair

Moffat County, Colorado · 0.16 MI West of CO RD 1 · Structure no. MOF38-00.16

Built
1978
47 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
36
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 38 over Slater Creek is a steel stringer/multi-beam or girder carrying County Road 38 over Slater Creek in Moffat County, Colorado. It was built in 1978, so it is 47 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 6 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 36 vehicles a day, roughly 34% of them trucks, projected to reach 42 by 2042. The structure is 49 ft (14.8 m) long and 19 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCounty Road 38
CrossesSlater Creek
Location0.16 MI West of CO RD 1
RouteCounty Highway 0
Coordinates40.92624, -107.37697
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length49 ft (14.8 m)
Longest span46 ft (14.1 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2023)
Projected traffic42 by 2042
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 38 over Slater Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Road 38 over Slater 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 38 over Slater Creek carry?

About 36 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is County Road 38 over Slater Creek?

The structure is 49 ft (14.8 m) long with a longest span of 46 ft (14.1 m) and a deck 19 ft wide.

Who owns County Road 38 over Slater Creek?

It is owned by the County Highway Agency.