US Bridges

US 281 NB over Sioux RD

Fair

Hidalgo County, Texas · 0.85 MI N of US 83 · Structure no. 211090025508076

Built
1985
40 years old, rebuilt 2005
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
285 ft
3 main spans
Daily traffic
45,389
2024 count
Owner
State
State Highway Agency

About this bridge

US 281 NB over Sioux RD is a prestressed concrete stringer/multi-beam or girder carrying US 281 NB over Sioux RD in Hidalgo County, Texas. It was built in 1985 and reconstructed in 2005, so it is 40 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 45,389 vehicles a day, roughly 21% of them trucks, projected to reach 61,400 by 2031. The structure is 285 ft (86.9 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 281 NB
CrossesSioux RD
Location0.85 MI N of US 83
RouteU.S. Route 281
StateTexas
Coordinates26.21894, -98.18021
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.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span95 ft (29 m)
Deck width82 ft (25 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,389 (2024)
Projected traffic61,400 by 2031
Trucks21%
Lanes on structure5
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 over Sioux RD built?

It was built in 1985, making it 40 years old in 2025. It was reconstructed in 2005.

What condition is US 281 NB over Sioux RD 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 2023.

How much traffic does US 281 NB over Sioux RD carry?

About 45,389 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is US 281 NB over Sioux RD?

The structure is 285 ft (86.9 m) long with a longest span of 95 ft (29 m) and a deck 82 ft wide.

Who owns US 281 NB over Sioux RD?

It is owned by the State Highway Agency.