US Bridges

NM-503 over Wooleys Arroyo

Good

Santa Fe County, New Mexico · Nm 503 Mm 0.9 · Structure no. 000000000010077

Built
1995
30 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
91 ft
5 main spans
Daily traffic
2,905
2023 count
Owner
State
State Highway Agency

About this bridge

NM-503 over Wooleys Arroyo is a concrete culvert carrying NM-503 over Wooleys Arroyo in Santa Fe County, New Mexico. It was built in 1995, so it is 30 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 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 2,905 vehicles a day, roughly 11% of them trucks, projected to reach 3,950 by 2043. The structure is 91 ft (27.7 m) long.

CarriesNM-503
CrossesWooleys Arroyo
LocationNm 503 Mm 0.9
RouteState Highway 503
Coordinates35.89617, -106.00531
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,905 (2023)
Projected traffic3,950 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$200,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-503 over Wooleys Arroyo built?

It was built in 1995, making it 30 years old in 2025.

What condition is NM-503 over Wooleys Arroyo 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 December 2023.

How much traffic does NM-503 over Wooleys Arroyo carry?

About 2,905 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-503 over Wooleys Arroyo?

The structure is 91 ft (27.7 m) long with a longest span of 10 ft (3 m).

Who owns NM-503 over Wooleys Arroyo?

It is owned by the State Highway Agency.