US Bridges

SH 35 SB over Mccampbell Slough

Fair

San Patricio County, Texas · 1.80 MI E of FM 3512 · Structure no. 162050018006047

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
13,321
2024 count
Owner
State
State Highway Agency

About this bridge

SH 35 SB over Mccampbell Slough is a prestressed concrete box beam or girders - multiple carrying SH 35 SB over Mccampbell Slough in San Patricio County, Texas. It was built in 1984, so it is 41 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 5 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 13,321 vehicles a day, roughly 6% of them trucks, projected to reach 17,333 by 2042. The structure is 180 ft (54.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 35 SB
CrossesMccampbell Slough
Location1.80 MI E of FM 3512
RouteState Highway 35
StateTexas
Coordinates27.9295, -97.18716
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
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, precast panels
Main spans3
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,321 (2024)
Projected traffic17,333 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 SB over Mccampbell Slough built?

It was built in 1984, making it 41 years old in 2025.

What condition is SH 35 SB over Mccampbell Slough 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 SB over Mccampbell Slough carry?

About 13,321 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is SH 35 SB over Mccampbell Slough?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns SH 35 SB over Mccampbell Slough?

It is owned by the State Highway Agency.