US Bridges

US 281 Nbfr over Drain

Fair

Bexar County, Texas · 0.45 MI S of Bitters RD · Structure no. 150150025304061

Built
1980
45 years old, rebuilt 2014
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
78 ft
5 main spans
Daily traffic
17,230
2013 count
Owner
State
State Highway Agency

About this bridge

US 281 Nbfr over Drain is a concrete culvert carrying US 281 Nbfr over Drain in Bexar County, Texas. It was built in 1980 and reconstructed in 2014, 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 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 17,230 vehicles a day, roughly 4% of them trucks, projected to reach 24,120 by 2033. The structure is 78 ft (23.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 281 Nbfr
CrossesDrain
Location0.45 MI S of Bitters RD
RouteU.S. Route 281
StateTexas
Coordinates29.5585, -98.48396
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length78 ft (23.8 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 traffic17,230 (2013)
Projected traffic24,120 by 2033
Trucks4%
Lanes on structure3
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 281 Nbfr over Drain built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2014.

What condition is US 281 Nbfr over Drain 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 July 2024.

How much traffic does US 281 Nbfr over Drain carry?

About 17,230 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is US 281 Nbfr over Drain?

The structure is 78 ft (23.8 m) long with a longest span of 10 ft (3 m).

Who owns US 281 Nbfr over Drain?

It is owned by the State Highway Agency.