US Bridges

US 281 NB Off Ramp over IH 410 US 281 Nbfr Etc

Good

Bexar County, Texas · US 281 Interchange · Structure no. 150150052104351

Built
2001
24 years old
Condition
Good
inspected July 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,039 ft
10 main spans
Daily traffic
24,040
2014 count
Owner
State
State Highway Agency

About this bridge

US 281 NB Off Ramp over IH 410 US 281 Nbfr Etc is a prestressed concrete stringer/multi-beam or girder carrying US 281 NB Off Ramp over IH 410 US 281 Nbfr Etc in Bexar County, Texas. It was built in 2001, so it is 24 years old, younger 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 24,040 vehicles a day, roughly 1% of them trucks, projected to reach 30,500 by 2034. The structure is 1,039 ft (316.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 281 NB Off Ramp
CrossesIH 410 US 281 Nbfr Etc
LocationUS 281 Interchange
RouteU.S. Route 281
StateTexas
Coordinates29.52126, -98.47991
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 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 spans10
Design loadHS 20
Structure length1,039 ft (316.7 m)
Longest span118 ft (36 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck17 ft (5.1 m)

Traffic and service

Average daily traffic24,040 (2014)
Projected traffic30,500 by 2034
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Off Ramp over IH 410 US 281 Nbfr Etc built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 281 NB Off Ramp over IH 410 US 281 Nbfr Etc 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 July 2022.

How much traffic does US 281 NB Off Ramp over IH 410 US 281 Nbfr Etc carry?

About 24,040 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is US 281 NB Off Ramp over IH 410 US 281 Nbfr Etc?

The structure is 1,039 ft (316.7 m) long with a longest span of 118 ft (36 m) and a deck 30 ft wide.

Who owns US 281 NB Off Ramp over IH 410 US 281 Nbfr Etc?

It is owned by the State Highway Agency.