US Bridges

SH 35 NB over US 181 Nbfr & UP RR

Fair

San Patricio County, Texas · 1.3 MI N of FM 3239 · Structure no. 162050010104067

Built
1994
31 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,375 ft
9 main spans
Daily traffic
17,285
2022 count
Owner
State
State Highway Agency

About this bridge

SH 35 NB over US 181 Nbfr & UP RR is a prestressed concrete stringer/multi-beam or girder carrying SH 35 NB over US 181 Nbfr & UP RR in San Patricio County, Texas. It was built in 1994, so it is 31 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 17,285 vehicles a day, roughly 5% of them trucks, projected to reach 24,199 by 2042. The structure is 1,375 ft (419.1 m) long and 40 ft wide.

CarriesSH 35 NB
CrossesUS 181 Nbfr & UP RR
Location1.3 MI N of FM 3239
RouteState Highway 35
StateTexas
Coordinates27.91311, -97.29741
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable 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 spans9 (+6 approach)
Design loadHS 20
Structure length1,375 ft (419.1 m)
Longest span110 ft (33.5 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,285 (2022)
Projected traffic24,199 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed—
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 SH 35 NB over US 181 Nbfr & UP RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is SH 35 NB over US 181 Nbfr & UP RR 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 2024.

How much traffic does SH 35 NB over US 181 Nbfr & UP RR carry?

About 17,285 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SH 35 NB over US 181 Nbfr & UP RR?

The structure is 1,375 ft (419.1 m) long with a longest span of 110 ft (33.5 m) and a deck 40 ft wide.

Who owns SH 35 NB over US 181 Nbfr & UP RR?

It is owned by the State Highway Agency.