US Bridges

SH 6 (lp 340) Sbml over Cottonwood Creek

Fair

McLennan County, Texas · 1.1 MI E of US 77 · Structure no. 091610025809092

Built
1984
41 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
137 ft
4 main spans
Daily traffic
19,422
2017 count
Owner
State
State Highway Agency

About this bridge

SH 6 (lp 340) Sbml over Cottonwood Creek is a concrete stringer/multi-beam or girder carrying SH 6 (lp 340) Sbml over Cottonwood Creek in McLennan County, Texas. It was built in 1984, so it is 41 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 19,422 vehicles a day, roughly 8% of them trucks, projected to reach 23,700 by 2037. The structure is 137 ft (41.8 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 6 (lp 340) Sbml
CrossesCottonwood Creek
Location1.1 MI E of US 77
RouteState Highway 6
CountyMcLennan County
StateTexas
Coordinates31.50643, -97.10868
Functional classUrban Other Principal Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span34 ft (10.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,422 (2017)
Projected traffic23,700 by 2037
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$900,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 (lp 340) Sbml over Cottonwood Creek built?

It was built in 1984, making it 41 years old in 2025.

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

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

About 19,422 vehicles per day (2017 count), of which roughly 8% are trucks.

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

The structure is 137 ft (41.8 m) long with a longest span of 34 ft (10.4 m) and a deck 42 ft wide.

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

It is owned by the State Highway Agency.