US Bridges

45-3000 over Hampton Arroyo

Fair

San Juan County, New Mexico · Sabena St. in Aztec · Structure no. 000000000008183

Built
1973
52 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
661
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

45-3000 over Hampton Arroyo is a prestressed concrete tee beam carrying 45-3000 over Hampton Arroyo in San Juan County, New Mexico. It was built in 1973, so it is 52 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 fair condition with a lowest component rating of 5 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 661 vehicles a day, projected to reach 898 by 2043. The structure is 43 ft (13.2 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries45-3000
CrossesHampton Arroyo
LocationSabena St. in Aztec
RouteCity Street 45300
CountySan Juan County
StateNew Mexico
Coordinates36.83023, -107.98102
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13.2 m)
Longest span43 ft (13.1 m)
Deck width29 ft (8.9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic661 (2023)
Projected traffic898 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$75,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 45-3000 over Hampton Arroyo built?

It was built in 1973, making it 52 years old in 2025.

What condition is 45-3000 over Hampton Arroyo 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 May 2023.

How much traffic does 45-3000 over Hampton Arroyo carry?

About 661 vehicles per day (2023 count).

How long is 45-3000 over Hampton Arroyo?

The structure is 43 ft (13.2 m) long with a longest span of 43 ft (13.1 m) and a deck 29 ft wide.

Who owns 45-3000 over Hampton Arroyo?

It is owned by the City or Municipal Highway Agency.