US Bridges

County Road 10 over Muddy Creek

Fair

Bent County, Colorado · Just South of CR 9.5 · Structure no. BTL-9.8-9.1-4

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
14
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 10 over Muddy Creek is a prestressed concrete tee beam carrying County Road 10 over Muddy Creek in Bent County, Colorado. It was built in 1960, so it is 65 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 14 vehicles a day, projected to reach 16 by 2042. The structure is 40 ft (12.2 m) long and 16 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCounty Road 10
CrossesMuddy Creek
LocationJust South of CR 9.5
RouteCounty Highway 0
CountyBent County
StateColorado
Coordinates37.76272, -103.24347
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span37 ft (11.2 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14 (2022)
Projected traffic16 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 10 over Muddy Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Road 10 over Muddy 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 January 2024.

How much traffic does County Road 10 over Muddy Creek carry?

About 14 vehicles per day (2022 count).

How long is County Road 10 over Muddy Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.2 m) and a deck 16 ft wide.

Who owns County Road 10 over Muddy Creek?

It is owned by the County Highway Agency.