US Bridges

FM 175 over Flat Creek

Fair

Jack County, Texas · 1.1 MI E of Loop 187 · Structure no. 021200095801001

Built
1955
70 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
43 ft
5 main spans
Daily traffic
88
2023 count
Owner
State
State Highway Agency

About this bridge

FM 175 over Flat Creek is a concrete culvert carrying FM 175 over Flat Creek in Jack County, Texas. It was built in 1955, so it is 70 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 88 vehicles a day, roughly 8% of them trucks, projected to reach 130 by 2033. The structure is 43 ft (13.1 m) long and 29 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesFM 175
CrossesFlat Creek
Location1.1 MI E of Loop 187
RouteState Highway 175
StateTexas
Coordinates33.44674, -98.35071
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span8 ft (2.4 m)
Deck width29 ft (8.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2023)
Projected traffic130 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 175 over Flat Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM 175 over Flat 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 February 2023.

How much traffic does FM 175 over Flat Creek carry?

About 88 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FM 175 over Flat Creek?

The structure is 43 ft (13.1 m) long with a longest span of 8 ft (2.4 m) and a deck 29 ft wide.

Who owns FM 175 over Flat Creek?

It is owned by the State Highway Agency.