US Bridges

FM 2643 over Long Branch

Fair

McLennan County, Texas · At Falls Cl · Structure no. 091610107802004

Built
1965
60 years old, rebuilt 1969
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
5 main spans
Daily traffic
815
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2643 over Long Branch is a concrete culvert carrying FM 2643 over Long Branch in McLennan County, Texas. It was built in 1965 and reconstructed in 1969, so it is 60 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 815 vehicles a day, roughly 7% of them trucks, projected to reach 730 by 2037. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesFM 2643
CrossesLong Branch
LocationAt Falls Cl
RouteState Highway 2643
CountyMcLennan County
StateTexas
Coordinates31.35312, -97.1315
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 inspectionDecember 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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span4 ft (1.2 m)
Deck width36 ft (11.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic815 (2023)
Projected traffic730 by 2037
Trucks7%
Lanes on structure2
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$400,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 2643 over Long Branch built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1969.

What condition is FM 2643 over Long Branch 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 December 2024.

How much traffic does FM 2643 over Long Branch carry?

About 815 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 2643 over Long Branch?

The structure is 22 ft (6.7 m) long with a longest span of 4 ft (1.2 m) and a deck 36 ft wide.

Who owns FM 2643 over Long Branch?

It is owned by the State Highway Agency.