US Bridges

FM 350 over Plum Creek

Fair

Polk County, Texas · 5.40 MI N of US 190 · Structure no. 111870092802003

Built
1956
69 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
50 ft
2 main spans
Daily traffic
625
2022 count
Owner
State
State Highway Agency

About this bridge

FM 350 over Plum Creek is a concrete slab carrying FM 350 over Plum Creek in Polk County, Texas. It was built in 1956, so it is 69 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 625 vehicles a day, roughly 24% of them trucks, projected to reach 730 by 2033. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesFM 350
CrossesPlum Creek
Location5.40 MI N of US 190
RouteState Highway 350
CountyPolk County
StateTexas
Coordinates30.79531, -94.96946
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating61 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length50 ft (15.2 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2022)
Projected traffic730 by 2033
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 350 over Plum Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is FM 350 over Plum 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 April 2024.

How much traffic does FM 350 over Plum Creek carry?

About 625 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is FM 350 over Plum Creek?

The structure is 50 ft (15.2 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 350 over Plum Creek?

It is owned by the State Highway Agency.