US Bridges

SH 35 NB over Mccampbell Slough

Fair

San Patricio County, Texas · 1.80 MI E of FM 3512 · Structure no. 162050018006028

Built
1926
99 years old, rebuilt 1954
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
174 ft
16 main spans
Daily traffic
10,970
2022 count
Owner
State
State Highway Agency

About this bridge

SH 35 NB over Mccampbell Slough is a concrete slab carrying SH 35 NB over Mccampbell Slough in San Patricio County, Texas. It was built in 1926 and reconstructed in 1954, so it is 99 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 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 10,970 vehicles a day, roughly 6% of them trucks, projected to reach 17,333 by 2042. The structure is 174 ft (53 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 35 NB
CrossesMccampbell Slough
Location1.80 MI E of FM 3512
RouteState Highway 35
CountySan Patricio County
StateTexas
Coordinates27.92924, -97.18712
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans16
Design loadH 15
Structure length174 ft (53 m)
Longest span11 ft (3.4 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,970 (2022)
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 35 NB over Mccampbell Slough built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1954.

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

About 10,970 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SH 35 NB over Mccampbell Slough?

The structure is 174 ft (53 m) long with a longest span of 11 ft (3.4 m) and a deck 43 ft wide.

Who owns SH 35 NB over Mccampbell Slough?

It is owned by the State Highway Agency.