US Bridges

County Road 27 over Arkansas River

PoorPosted for load

Fremont County, Colorado · .1 MI N of US 50 · Structure no. FRCO 308-TX CK

Built
1907
118 years old, rebuilt 1965
Condition
Poor
inspected February 2025
Type
Truss - Thru
Steel
Length
121 ft
1 main span
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 27 over Arkansas River is a steel truss - thru carrying County Road 27 over Arkansas River in Fremont County, Colorado. It was built in 1907 and reconstructed in 1965, so it is 118 years old, older than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, projected to reach 46 by 2042. The structure is 121 ft (37 m) long and 16 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesCounty Road 27
CrossesArkansas River
Location.1 MI N of US 50
RouteCounty Highway 0
Coordinates38.41043, -105.58421
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating10 US tons
Inventory rating6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1 (+1 approach)
Design loadUnknown
Structure length121 ft (37 m)
Longest span79 ft (24 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic46 by 2042
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 27 over Arkansas River built?

It was built in 1907, making it 118 years old in 2025. It was reconstructed in 1965.

What condition is County Road 27 over Arkansas River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does County Road 27 over Arkansas River carry?

About 41 vehicles per day (2022 count).

How long is County Road 27 over Arkansas River?

The structure is 121 ft (37 m) long with a longest span of 79 ft (24 m) and a deck 16 ft wide.

Who owns County Road 27 over Arkansas River?

It is owned by the County Highway Agency.