US Bridges

FM 3180 over Hackberry Gully

Good

Chambers County, Texas · 1.3 MI S of IH 10 · Structure no. 200360327101001

Built
1975
50 years old, rebuilt 2021
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
91 ft
3 main spans
Daily traffic
16,571
2022 count
Owner
State
State Highway Agency

About this bridge

FM 3180 over Hackberry Gully is a concrete stringer/multi-beam or girder carrying FM 3180 over Hackberry Gully in Chambers County, Texas. It was built in 1975 and reconstructed in 2021, so it is 50 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,571 vehicles a day, roughly 11% of them trucks, projected to reach 15,760 by 2033. The structure is 91 ft (27.7 m) long and 75 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFM 3180
CrossesHackberry Gully
Location1.3 MI S of IH 10
RouteState Highway 3180
CountyChambers County
StateTexas
Coordinates29.80779, -94.84865
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
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 rating36 US tons
Inventory rating27 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length91 ft (27.7 m)
Longest span30 ft (9.1 m)
Deck width75 ft (22.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,571 (2022)
Projected traffic15,760 by 2033
Trucks11%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 3180 over Hackberry Gully built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2021.

What condition is FM 3180 over Hackberry Gully in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does FM 3180 over Hackberry Gully carry?

About 16,571 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FM 3180 over Hackberry Gully?

The structure is 91 ft (27.7 m) long with a longest span of 30 ft (9.1 m) and a deck 75 ft wide.

Who owns FM 3180 over Hackberry Gully?

It is owned by the State Highway Agency.