US Bridges

45-7900 over Escavada Wash

Fair

San Juan County, New Mexico · 8.6 MI S of JCT US 550 · Structure no. 000000000008803

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
681
2023 count
Owner
County
County Highway Agency

About this bridge

45-7900 over Escavada Wash is a prestressed concrete stringer/multi-beam or girder carrying 45-7900 over Escavada Wash in San Juan County, New Mexico. It was built in 1987, so it is 38 years old, younger than the New Mexico average of 51.5 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 681 vehicles a day, projected to reach 926 by 2043. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries45-7900
CrossesEscavada Wash
Location8.6 MI S of JCT US 550
RouteCounty Highway 45900
CountySan Juan County
StateNew Mexico
Coordinates36.13156, -107.65691
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span73 ft (22.3 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic681 (2023)
Projected traffic926 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 45-7900 over Escavada Wash built?

It was built in 1987, making it 38 years old in 2025.

What condition is 45-7900 over Escavada Wash 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 2023.

How much traffic does 45-7900 over Escavada Wash carry?

About 681 vehicles per day (2023 count).

How long is 45-7900 over Escavada Wash?

The structure is 78 ft (23.8 m) long with a longest span of 73 ft (22.3 m) and a deck 30 ft wide.

Who owns 45-7900 over Escavada Wash?

It is owned by the County Highway Agency.