US Bridges

County Road 301 over Arkansas River

Good

Chaffee County, Colorado · .2 MI NE of US 285 · Structure no. CHA301-00.15A

Built
1990
35 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
198
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 301 over Arkansas River is a prestressed concrete stringer/multi-beam or girder carrying County Road 301 over Arkansas River in Chaffee County, Colorado. It was built in 1990, so it is 35 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 198 vehicles a day, roughly 2% of them trucks, projected to reach 241 by 2042. The structure is 130 ft (39.6 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty Road 301
CrossesArkansas River
Location.2 MI NE of US 285
RouteCounty Highway 0
Coordinates38.76793, -106.09667
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.3 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span124 ft (37.8 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic198 (2022)
Projected traffic241 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 301 over Arkansas River built?

It was built in 1990, making it 35 years old in 2025.

What condition is County Road 301 over 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 301 over Arkansas River carry?

About 198 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is County Road 301 over Arkansas River?

The structure is 130 ft (39.6 m) long with a longest span of 124 ft (37.8 m) and a deck 31 ft wide.

Who owns County Road 301 over Arkansas River?

It is owned by the County Highway Agency.