US Bridges

CR 543 (25560) over Tributary North Branch

Fair

Lamar County, Texas · 2.7 MI S of FM 1509 · Structure no. 011390AA0543002

Built
2008
17 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
20
2010 count
Owner
County
County Highway Agency

About this bridge

CR 543 (25560) over Tributary North Branch is a steel stringer/multi-beam or girder carrying CR 543 (25560) over Tributary North Branch in Lamar County, Texas. It was built in 2008, so it is 17 years old, younger 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 20 vehicles a day, projected to reach 60 by 2030. The structure is 36 ft (11 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 543 (25560)
CrossesTributary North Branch
Location2.7 MI S of FM 1509
RouteCounty Highway 543
StateTexas
Coordinates33.57366, -95.7657
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2010)
Projected traffic60 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 543 (25560) over Tributary North Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is CR 543 (25560) over Tributary North 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 2023.

How much traffic does CR 543 (25560) over Tributary North Branch carry?

About 20 vehicles per day (2010 count).

How long is CR 543 (25560) over Tributary North Branch?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 19 ft wide.

Who owns CR 543 (25560) over Tributary North Branch?

It is owned by the County Highway Agency.