US Bridges

FM 43 over Oso Creek

Fair

Nueces County, Texas · 1.4 MI S of SH 357 · Structure no. 161780155701002

Built
1967
58 years old, rebuilt 2015
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
480 ft
9 main spans
Daily traffic
17,676
2024 count
Owner
State
State Highway Agency

About this bridge

FM 43 over Oso Creek is a concrete stringer/multi-beam or girder carrying FM 43 over Oso Creek in Nueces County, Texas. It was built in 1967 and reconstructed in 2015, so it is 58 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 17,676 vehicles a day, roughly 6% of them trucks, projected to reach 31,286 by 2042. The structure is 480 ft (146.3 m) long and 89 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 43
CrossesOso Creek
Location1.4 MI S of SH 357
RouteState Highway 43
StateTexas
Coordinates27.68886, -97.42927
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
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans9 (+6 approach)
Design loadH 20
Structure length480 ft (146.3 m)
Longest span40 ft (12.2 m)
Deck width89 ft (27 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,676 (2024)
Projected traffic31,286 by 2042
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes

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 FM 43 over Oso Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2015.

What condition is FM 43 over Oso Creek 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 July 2024.

How much traffic does FM 43 over Oso Creek carry?

About 17,676 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is FM 43 over Oso Creek?

The structure is 480 ft (146.3 m) long with a longest span of 40 ft (12.2 m) and a deck 89 ft wide.

Who owns FM 43 over Oso Creek?

It is owned by the State Highway Agency.