US Bridges

County Road 25 over Muddy Creek

Fair

Grand County, Colorado · .4 MI E US 40/N of Resvr · Structure no. 049002500.3003A

Built
1996
29 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
22
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 25 over Muddy Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road 25 over Muddy Creek in Grand County, Colorado. It was built in 1996, so it is 29 years old, younger 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 22 vehicles a day, roughly 45% of them trucks, projected to reach 26 by 2042. The structure is 73 ft (22.4 m) long and 34 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesCounty Road 25
CrossesMuddy Creek
Location.4 MI E US 40/N of Resvr
RouteCounty Highway 0
Coordinates40.19491, -106.41939
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length73 ft (22.4 m)
Longest span69 ft (20.9 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22 (2023)
Projected traffic26 by 2042
Trucks45%
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 25 over Muddy Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Road 25 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 September 2023.

How much traffic does County Road 25 over Muddy Creek carry?

About 22 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is County Road 25 over Muddy Creek?

The structure is 73 ft (22.4 m) long with a longest span of 69 ft (20.9 m) and a deck 34 ft wide.

Who owns County Road 25 over Muddy Creek?

It is owned by the County Highway Agency.