US Bridges

County Road G over Trib. of Cimarron River

Fair

Baca County, Colorado · .9 MI E of CR 39 · Structure no. BAF-39.9-5-70

Built
1935
90 years old
Condition
Fair
inspected April 2024
Type
Arch - Deck
Masonry
Length
27 ft
2 main spans
Daily traffic
3
2022 count
Owner
County
County Highway Agency

About this bridge

County Road G over Trib. of Cimarron River is a masonry arch - deck carrying County Road G over Trib. of Cimarron River in Baca County, Colorado. It was built in 1935, so it is 90 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 3 vehicles a day, projected to reach 4 by 2042. The structure is 27 ft (8.3 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty Road G
CrossesTrib. of Cimarron River
Location.9 MI E of CR 39
RouteCounty Highway 0
CountyBaca County
StateColorado
Coordinates37.07625, -102.36224
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.3 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3 (2022)
Projected traffic4 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road G over Trib. of Cimarron River built?

It was built in 1935, making it 90 years old in 2025.

What condition is County Road G over Trib. of Cimarron River 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 April 2024.

How much traffic does County Road G over Trib. of Cimarron River carry?

About 3 vehicles per day (2022 count).

How long is County Road G over Trib. of Cimarron River?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns County Road G over Trib. of Cimarron River?

It is owned by the County Highway Agency.