US Bridges

SH 6 NB over Tehuacana Creek Relief

Fair

McLennan County, Texas · 1.5 MI SE of Lp 340 · Structure no. 091610004901004

Built
1933
92 years old, rebuilt 1954
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
153 ft
5 main spans
Daily traffic
9,730
2017 count
Owner
State
State Highway Agency

About this bridge

SH 6 NB over Tehuacana Creek Relief is a concrete tee beam carrying SH 6 NB over Tehuacana Creek Relief in McLennan County, Texas. It was built in 1933 and reconstructed in 1954, so it is 92 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 9,730 vehicles a day, roughly 18% of them trucks, projected to reach 11,870 by 2037. The structure is 153 ft (46.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSH 6 NB
CrossesTehuacana Creek Relief
Location1.5 MI SE of Lp 340
RouteState Highway 6
CountyMcLennan County
StateTexas
Coordinates31.54028, -97.04583
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 protection8 Very GoodNo problems noted.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length153 ft (46.6 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,730 (2017)
Projected traffic11,870 by 2037
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 NB over Tehuacana Creek Relief built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1954.

What condition is SH 6 NB over Tehuacana Creek Relief 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 NB over Tehuacana Creek Relief carry?

About 9,730 vehicles per day (2017 count), of which roughly 18% are trucks.

How long is SH 6 NB over Tehuacana Creek Relief?

The structure is 153 ft (46.6 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns SH 6 NB over Tehuacana Creek Relief?

It is owned by the State Highway Agency.