US Bridges

SH 6 SB over Tehuacana Creek

Fair

McLennan County, Texas · 2.30 MI SE of Lp 340 · Structure no. 091610004901109

Built
1971
54 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
732 ft
3 main spans
Daily traffic
9,729
2017 count
Owner
State
State Highway Agency

About this bridge

SH 6 SB over Tehuacana Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 6 SB over Tehuacana Creek in McLennan County, Texas. It was built in 1971, so it is 54 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 9,729 vehicles a day, roughly 18% of them trucks, projected to reach 11,870 by 2037. The structure is 732 ft (223.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 6 SB
CrossesTehuacana Creek
Location2.30 MI SE of Lp 340
RouteState Highway 6
CountyMcLennan County
StateTexas
Coordinates31.5361, -97.03306
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
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 inspectionMarch 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+19 approach)
Design loadHS 20 + Mod
Structure length732 ft (223.1 m)
Longest span52 ft (15.9 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,729 (2017)
Projected traffic11,870 by 2037
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$4.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 SB over Tehuacana Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is SH 6 SB over Tehuacana 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 March 2023.

How much traffic does SH 6 SB over Tehuacana Creek carry?

About 9,729 vehicles per day (2017 count), of which roughly 18% are trucks.

How long is SH 6 SB over Tehuacana Creek?

The structure is 732 ft (223.1 m) long with a longest span of 52 ft (15.9 m) and a deck 44 ft wide.

Who owns SH 6 SB over Tehuacana Creek?

It is owned by the State Highway Agency.