US Bridges

US 281 SB over Chapin ST

Fair

Hidalgo County, Texas · 1.00 MI N of SH 107 · Structure no. 211090025507049

Built
1978
47 years old, rebuilt 2007
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
1 main span
Daily traffic
9,751
2019 count
Owner
State
State Highway Agency

About this bridge

US 281 SB over Chapin ST is a prestressed concrete stringer/multi-beam or girder carrying US 281 SB over Chapin ST in Hidalgo County, Texas. It was built in 1978 and reconstructed in 2007, 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 9,751 vehicles a day, roughly 24% of them trucks, projected to reach 26,280 by 2031. The structure is 180 ft (54.9 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 281 SB
CrossesChapin ST
Location1.00 MI N of SH 107
RouteU.S. Route 281
StateTexas
Coordinates26.31371, -98.14679
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 spans1 (+2 approach)
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span90 ft (27.4 m)
Deck width67 ft (20.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,751 (2019)
Projected traffic26,280 by 2031
Trucks24%
Lanes on structure3
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 281 SB over Chapin ST built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2007.

What condition is US 281 SB over Chapin ST 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 April 2023.

How much traffic does US 281 SB over Chapin ST carry?

About 9,751 vehicles per day (2019 count), of which roughly 24% are trucks.

How long is US 281 SB over Chapin ST?

The structure is 180 ft (54.9 m) long with a longest span of 90 ft (27.4 m) and a deck 67 ft wide.

Who owns US 281 SB over Chapin ST?

It is owned by the State Highway Agency.