US Bridges

FM 1170 over Fish Creek

Fair

Nolan County, Texas · 1.00 MI SW of SH 153 · Structure no. 081770203303006

Built
1957
68 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
75 ft
3 main spans
Daily traffic
136
2020 count
Owner
State
State Highway Agency

About this bridge

FM 1170 over Fish Creek is a concrete slab carrying FM 1170 over Fish Creek in Nolan County, Texas. It was built in 1957, so it is 68 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 136 vehicles a day, roughly 15% of them trucks, projected to reach 140 by 2033. The structure is 75 ft (22.9 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 1170
CrossesFish Creek
Location1.00 MI SW of SH 153
RouteState Highway 1170
StateTexas
Coordinates32.129, -100.19595
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length75 ft (22.9 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 traffic136 (2020)
Projected traffic140 by 2033
Trucks15%
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 1170 over Fish Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is FM 1170 over Fish 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 March 2023.

How much traffic does FM 1170 over Fish Creek carry?

About 136 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is FM 1170 over Fish Creek?

The structure is 75 ft (22.9 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns FM 1170 over Fish Creek?

It is owned by the State Highway Agency.