US Bridges

Fdr 83 over Cow Creek

Good

San Miguel County, New Mexico · 0.2 MI Se/O CO RD B44C · Structure no. 031005000001502

Built
1957
68 years old
Condition
Good
inspected June 2023
Type
Frame
Concrete Continuous
Length
51 ft
1 main span
Daily traffic
75
2022 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 83 over Cow Creek is a concrete continuous frame carrying Fdr 83 over Cow Creek in San Miguel County, New Mexico. It was built in 1957, so it is 68 years old, older than the New Mexico average of 51.5 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 75 vehicles a day, projected to reach 99 by 2042. The structure is 51 ft (15.5 m) long and 15 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 83
CrossesCow Creek
Location0.2 MI Se/O CO RD B44C
RouteFederal Lands Road 83
Coordinates35.53347, -105.57998
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length51 ft (15.5 m)
Longest span34 ft (10.4 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic99 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 83 over Cow Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Fdr 83 over Cow Creek 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 June 2023.

How much traffic does Fdr 83 over Cow Creek carry?

About 75 vehicles per day (2022 count).

How long is Fdr 83 over Cow Creek?

The structure is 51 ft (15.5 m) long with a longest span of 34 ft (10.4 m) and a deck 15 ft wide.

Who owns Fdr 83 over Cow Creek?

It is owned by the U.S. Forest Service.