US Bridges

FM 343 over Angelina River Relief

Fair

Cherokee County, Texas · 2.80 MI E of FM 851 · Structure no. 100370092601004

Built
1967
58 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
200 ft
5 main spans
Daily traffic
236
2021 count
Owner
State
State Highway Agency

About this bridge

FM 343 over Angelina River Relief is a concrete stringer/multi-beam or girder carrying FM 343 over Angelina River Relief in Cherokee County, Texas. It was built in 1967, 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 236 vehicles a day, roughly 10% of them trucks, projected to reach 330 by 2041. The structure is 200 ft (61 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 343
CrossesAngelina River Relief
Location2.80 MI E of FM 851
RouteState Highway 343
StateTexas
Coordinates31.75476, -94.96113
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2021)
Projected traffic330 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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 343 over Angelina River Relief built?

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

What condition is FM 343 over Angelina River Relief 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 January 2023.

How much traffic does FM 343 over Angelina River Relief carry?

About 236 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FM 343 over Angelina River Relief?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns FM 343 over Angelina River Relief?

It is owned by the State Highway Agency.