US Bridges

SH 6 (lp 340) Nbml over Cottonwood Creek

Fair

McLennan County, Texas · 1.1 MI E of US 77 · Structure no. 091610025809099

Built
2007
18 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) Nbml over Cottonwood Creek is a concrete stringer/multi-beam or girder carrying SH 6 (lp 340) Nbml over Cottonwood Creek 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 19,422 vehicles a day, roughly 8% of them trucks, projected to reach 23,700 by 2037. The structure is 137 ft (41.7 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 6 (lp 340) Nbml
CrossesCottonwood Creek
Location1.1 MI E of US 77
RouteState Highway 6
CountyMcLennan County
StateTexas
Coordinates31.50637, -97.10832
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to 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 25 or greater
Structure length137 ft (41.7 m)
Longest span34 ft (10.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

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

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

What condition is SH 6 (lp 340) Nbml 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) Nbml 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) Nbml over Cottonwood Creek?

The structure is 137 ft (41.7 m) long with a longest span of 34 ft (10.4 m) and a deck 40 ft wide.

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

It is owned by the State Highway Agency.