US Bridges

SH 6 (lp 340) over Trib Cottonwood Creek

Good

McLennan County, Texas · 0.3 MI E IH 35 · Structure no. 091610025809083

Built
1963
62 years old, rebuilt 2016
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
15,393
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 (lp 340) over Trib Cottonwood Creek is a concrete culvert carrying SH 6 (lp 340) over Trib Cottonwood Creek in McLennan County, Texas. It was built in 1963 and reconstructed in 2016, 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 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 15,393 vehicles a day, roughly 8% of them trucks, projected to reach 34,040 by 2037. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSH 6 (lp 340)
CrossesTrib Cottonwood Creek
Location0.3 MI E IH 35
RouteState Highway 6
CountyMcLennan County
StateTexas
Coordinates31.49132, -97.14667
Functional classUrban Other Principal Arterial

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 inspectionFebruary 2023
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 spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,393 (2023)
Projected traffic34,040 by 2037
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 (lp 340) over Trib Cottonwood Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2016.

What condition is SH 6 (lp 340) over Trib Cottonwood Creek 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 February 2023.

How much traffic does SH 6 (lp 340) over Trib Cottonwood Creek carry?

About 15,393 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SH 6 (lp 340) over Trib Cottonwood Creek?

The structure is 34 ft (10.4 m) long with a longest span of 7 ft (2.1 m).

Who owns SH 6 (lp 340) over Trib Cottonwood Creek?

It is owned by the State Highway Agency.