US Bridges

Tyron Ridge Access over Unnamed Waterway

Good

Grant County, New Mexico · 5.8 M S of US-180 · Structure no. 000000000010133

Built
2021
4 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

Tyron Ridge Access over Unnamed Waterway is a steel stringer/multi-beam or girder carrying Tyron Ridge Access over Unnamed Waterway in Grant County, New Mexico. It was built in 2021, so it is 4 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 180 vehicles a day, projected to reach 244 by 2024. The structure is 79 ft (24.1 m) long and 16 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesTyron Ridge Access
CrossesUnnamed Waterway
Location5.8 M S of US-180
RouteCounty Highway 17001
Coordinates32.64325, -108.2133
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.4 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length79 ft (24.1 m)
Longest span79 ft (24.1 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic180 (2022)
Projected traffic244 by 2024
Trucks—
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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 Tyron Ridge Access over Unnamed Waterway built?

It was built in 2021, making it 4 years old in 2025.

What condition is Tyron Ridge Access over Unnamed Waterway 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 May 2023.

How much traffic does Tyron Ridge Access over Unnamed Waterway carry?

About 180 vehicles per day (2022 count).

How long is Tyron Ridge Access over Unnamed Waterway?

The structure is 79 ft (24.1 m) long with a longest span of 79 ft (24.1 m) and a deck 16 ft wide.

Who owns Tyron Ridge Access over Unnamed Waterway?

It is owned by the County Highway Agency.