US Bridges

FM 834 over N Fork Willow Marsh

Fair

Liberty County, Texas · 0.7 MI N of FM 770 · Structure no. 201460114601006

Built
1940
85 years old, rebuilt 1955
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
54 ft
3 main spans
Daily traffic
799
2022 count
Owner
State
State Highway Agency

About this bridge

FM 834 over N Fork Willow Marsh is a concrete slab carrying FM 834 over N Fork Willow Marsh in Liberty County, Texas. It was built in 1940 and reconstructed in 1955, so it is 85 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 799 vehicles a day, roughly 23% of them trucks, projected to reach 1,119 by 2042. The structure is 54 ft (16.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFM 834
CrossesN Fork Willow Marsh
Location0.7 MI N of FM 770
RouteState Highway 834
CountyLiberty County
StateTexas
Coordinates30.12568, -94.64219
Functional classRural Minor 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length54 ft (16.5 m)
Longest span18 ft (5.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic799 (2022)
Projected traffic1,119 by 2042
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 834 over N Fork Willow Marsh built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1955.

What condition is FM 834 over N Fork Willow Marsh 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 2024.

How much traffic does FM 834 over N Fork Willow Marsh carry?

About 799 vehicles per day (2022 count), of which roughly 23% are trucks.

How long is FM 834 over N Fork Willow Marsh?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 43 ft wide.

Who owns FM 834 over N Fork Willow Marsh?

It is owned by the State Highway Agency.