US Bridges

SH 6 Frs & FM 3400 over Tributary Cottonwood Crk

Fair

McLennan County, Texas · 4.3 MI East OFIH35 · Structure no. 091610025809449

Built
2007
18 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
2,150
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 Frs & FM 3400 over Tributary Cottonwood Crk is a concrete culvert carrying SH 6 Frs & FM 3400 over Tributary Cottonwood Crk in McLennan County, Texas. It was built in 2007, so it is 18 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 2,150 vehicles a day, roughly 3% of them trucks, projected to reach 46,300 by 2027. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 6 Frs & FM 3400
CrossesTributary Cottonwood Crk
Location4.3 MI East OFIH35
RouteState Highway 6
StateTexas
Coordinates31.51921, -97.09021
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2023)
Projected traffic46,300 by 2027
Trucks3%
Lanes on structure5
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 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 SH 6 Frs & FM 3400 over Tributary Cottonwood Crk built?

It was built in 2007, making it 18 years old in 2025.

What condition is SH 6 Frs & FM 3400 over Tributary Cottonwood Crk 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 November 2024.

How much traffic does SH 6 Frs & FM 3400 over Tributary Cottonwood Crk carry?

About 2,150 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is SH 6 Frs & FM 3400 over Tributary Cottonwood Crk?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m).

Who owns SH 6 Frs & FM 3400 over Tributary Cottonwood Crk?

It is owned by the State Highway Agency.