US Bridges

FM 1798 over Angelina River

Fair

Rusk County, Texas · 2.8 MI E of FM 839 · Structure no. 102010167001001

Built
1954
71 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
200 ft
8 main spans
Daily traffic
427
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1798 over Angelina River is a concrete slab carrying FM 1798 over Angelina River in Rusk County, Texas. It was built in 1954, so it is 71 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 427 vehicles a day, roughly 17% of them trucks, projected to reach 570 by 2039. The structure is 200 ft (61 m) long and 25 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 1798
CrossesAngelina River
Location2.8 MI E of FM 839
RouteState Highway 1798
StateTexas
Coordinates31.98235, -94.8727
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadOther
Structure length200 ft (61 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic427 (2020)
Projected traffic570 by 2039
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$116,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 1798 over Angelina River built?

It was built in 1954, making it 71 years old in 2025.

What condition is FM 1798 over Angelina River 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 May 2023.

How much traffic does FM 1798 over Angelina River carry?

About 427 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is FM 1798 over Angelina River?

The structure is 200 ft (61 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 1798 over Angelina River?

It is owned by the State Highway Agency.