US Bridges

SH 6 NB over Mud Creek

Good

Robertson County, Texas · 3.7 MI N of US 79 · Structure no. 171980004907033

Built
1934
91 years old, rebuilt 1959
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
171 ft
6 main spans
Daily traffic
6,351
2023 count
Owner
State
State Highway Agency

About this bridge

SH 6 NB over Mud Creek is a concrete tee beam carrying SH 6 NB over Mud Creek in Robertson County, Texas. It was built in 1934 and reconstructed in 1959, so it is 91 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,351 vehicles a day, roughly 33% of them trucks, projected to reach 8,891 by 2042. The structure is 171 ft (52.1 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 6 NB
CrossesMud Creek
Location3.7 MI N of US 79
RouteState Highway 6
StateTexas
Coordinates30.94684, -96.64726
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length171 ft (52.1 m)
Longest span28 ft (8.5 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,351 (2023)
Projected traffic8,891 by 2042
Trucks33%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 6 NB over Mud Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1959.

What condition is SH 6 NB over Mud Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does SH 6 NB over Mud Creek carry?

About 6,351 vehicles per day (2023 count), of which roughly 33% are trucks.

How long is SH 6 NB over Mud Creek?

The structure is 171 ft (52.1 m) long with a longest span of 28 ft (8.5 m) and a deck 46 ft wide.

Who owns SH 6 NB over Mud Creek?

It is owned by the State Highway Agency.