US Bridges

SH 6 over Trib Tennant Branch

Fair

McLennan County, Texas · 1.9 MI SE of FM 185 · Structure no. 091610025809070

Built
1963
62 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
18,969
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 over Trib Tennant Branch is a concrete culvert carrying SH 6 over Trib Tennant Branch in McLennan County, Texas. It was built in 1963, so it is 62 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 18,969 vehicles a day, roughly 12% of them trucks, projected to reach 24,660 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 6
CrossesTrib Tennant Branch
Location1.9 MI SE of FM 185
RouteState Highway 6
CountyMcLennan County
StateTexas
Coordinates31.56425, -97.28201
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
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 evaluation5: 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 rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,969 (2023)
Projected traffic24,660 by 2042
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 SH 6 over Trib Tennant Branch built?

It was built in 1963, making it 62 years old in 2025.

What condition is SH 6 over Trib Tennant 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 SH 6 over Trib Tennant Branch carry?

About 18,969 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SH 6 over Trib Tennant Branch?

The structure is 22 ft (6.7 m) long with a longest span of 8 ft (2.4 m).

Who owns SH 6 over Trib Tennant Branch?

It is owned by the State Highway Agency.