US Bridges

FM 2643 over Trib Long Branch

Good

McLennan County, Texas · 1.0 Northeast Falls Cl · Structure no. 091610107802005

Built
1969
56 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
3 main spans
Daily traffic
450
2023 count
Owner
State
State Highway Agency

About this bridge

FM 2643 over Trib Long Branch is a concrete culvert carrying FM 2643 over Trib Long Branch in McLennan County, Texas. It was built in 1969, so it is 56 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 450 vehicles a day, roughly 10% of them trucks, projected to reach 1,020 by 2033. 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

Open in Google Maps
CarriesFM 2643
CrossesTrib Long Branch
Location1.0 Northeast Falls Cl
RouteState Highway 2643
CountyMcLennan County
StateTexas
Coordinates31.3665, -97.12829
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
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 adequacy7: Better than 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 spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span7 ft (2.1 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic1,020 by 2033
Trucks10%
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 Trib Long Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is FM 2643 over Trib Long Branch 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 December 2024.

How much traffic does FM 2643 over Trib Long Branch carry?

About 450 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FM 2643 over Trib Long Branch?

The structure is 22 ft (6.7 m) long with a longest span of 7 ft (2.1 m) and a deck 36 ft wide.

Who owns FM 2643 over Trib Long Branch?

It is owned by the State Highway Agency.