US Bridges

US 281 NB Conn over IH 37

Good

Atascosa County, Texas · 5.85 MI S of SH 97 · Structure no. 150070007310258

Built
1980
45 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
380 ft
2 main spans
Daily traffic
350
2010 count
Owner
State
State Highway Agency

About this bridge

US 281 NB Conn over IH 37 is a prestressed concrete stringer/multi-beam or girder carrying US 281 NB Conn over IH 37 in Atascosa County, Texas. It was built in 1980, so it is 45 years old, older than the Texas average of 44.4 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 350 vehicles a day, roughly 17% of them trucks, projected to reach 2,000 by 2030. The structure is 380 ft (115.8 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 281 NB Conn
CrossesIH 37
Location5.85 MI S of SH 97
RouteU.S. Route 281
StateTexas
Coordinates28.90963, -98.43359
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+2 approach)
Design loadHS 20
Structure length380 ft (115.8 m)
Longest span130 ft (39.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2010)
Projected traffic2,000 by 2030
Trucks17%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 281 NB Conn over IH 37 built?

It was built in 1980, making it 45 years old in 2025.

What condition is US 281 NB Conn over IH 37 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 2022.

How much traffic does US 281 NB Conn over IH 37 carry?

About 350 vehicles per day (2010 count), of which roughly 17% are trucks.

How long is US 281 NB Conn over IH 37?

The structure is 380 ft (115.8 m) long with a longest span of 130 ft (39.6 m) and a deck 26 ft wide.

Who owns US 281 NB Conn over IH 37?

It is owned by the State Highway Agency.