US Bridges

County Road 107 over South Arkansas River

Good

Chaffee County, Colorado · 1.1 MI S of Salida · Structure no. CHA107-00.51

Built
1985
40 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
1,176
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 107 over South Arkansas River is a prestressed concrete slab carrying County Road 107 over South Arkansas River in Chaffee County, Colorado. It was built in 1985, so it is 40 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,176 vehicles a day, roughly 2% of them trucks, projected to reach 1,434 by 2042. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 107
CrossesSouth Arkansas River
Location1.1 MI S of Salida
RouteCounty Highway 0
Coordinates38.52264, -105.99709
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating36.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,176 (2022)
Projected traffic1,434 by 2042
Trucks2%
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 107 over South Arkansas River built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 107 over South Arkansas River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does County Road 107 over South Arkansas River carry?

About 1,176 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 107 over South Arkansas River?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns County Road 107 over South Arkansas River?

It is owned by the County Highway Agency.