US Bridges

US 281 NB Off-Rp over Olmos Creek

Fair

Bexar County, Texas · 0.03 MI S of Basse RD · Structure no. 150150007308134

Built
1978
47 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
110 ft
4 main spans
Daily traffic
13,610
2013 count
Owner
State
State Highway Agency

About this bridge

US 281 NB Off-Rp over Olmos Creek is a concrete slab carrying US 281 NB Off-Rp over Olmos Creek in Bexar County, Texas. It was built in 1978, so it is 47 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 13,610 vehicles a day, roughly 4% of them trucks, projected to reach 19,060 by 2033. The structure is 110 ft (33.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS 281 NB Off-Rp
CrossesOlmos Creek
Location0.03 MI S of Basse RD
RouteU.S. Route 281
CountyBexar County
StateTexas
Coordinates29.49049, -98.4828
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,610 (2013)
Projected traffic19,060 by 2033
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 281 NB Off-Rp over Olmos Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is US 281 NB Off-Rp over Olmos Creek 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 August 2024.

How much traffic does US 281 NB Off-Rp over Olmos Creek carry?

About 13,610 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is US 281 NB Off-Rp over Olmos Creek?

The structure is 110 ft (33.5 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns US 281 NB Off-Rp over Olmos Creek?

It is owned by the State Highway Agency.