US Bridges

Sonterra Blvd. over US 281

Fair

Bexar County, Texas · 0.35 MI N of Lp 1604 · Structure no. 150150025304079

Built
1990
35 years old
Condition
Fair
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
450 ft
4 main spans
Daily traffic
2,991
2010 count
Owner
State
State Highway Agency

About this bridge

Sonterra Blvd. over US 281 is a prestressed concrete stringer/multi-beam or girder carrying Sonterra Blvd. over US 281 in Bexar County, Texas. It was built in 1990, so it is 35 years old, younger 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 2,991 vehicles a day, roughly 5% of them trucks, projected to reach 4,670 by 2028. The structure is 450 ft (137.2 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSonterra Blvd.
CrossesUS 281
Location0.35 MI N of Lp 1604
RouteU.S. Route 281
CountyBexar County
StateTexas
Coordinates29.61429, -98.46685
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span100 ft (30.5 m)
Deck width62 ft (18.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,991 (2010)
Projected traffic4,670 by 2028
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Sonterra Blvd. over US 281 built?

It was built in 1990, making it 35 years old in 2025.

What condition is Sonterra Blvd. over US 281 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 May 2022.

How much traffic does Sonterra Blvd. over US 281 carry?

About 2,991 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Sonterra Blvd. over US 281?

The structure is 450 ft (137.2 m) long with a longest span of 100 ft (30.5 m) and a deck 62 ft wide.

Who owns Sonterra Blvd. over US 281?

It is owned by the State Highway Agency.