US Bridges

US 79 NB (eb) over Mc Nutt Creek

Fair

Williamson County, Texas · 5.7 MI E of IH 35 · Structure no. 142460020401062

Built
1956
69 years old, rebuilt 1989
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
135 ft
4 main spans
Daily traffic
17,354
2021 count
Owner
State
State Highway Agency

About this bridge

US 79 NB (eb) over Mc Nutt Creek is a concrete continuous slab carrying US 79 NB (eb) over Mc Nutt Creek in Williamson County, Texas. It was built in 1956 and reconstructed in 1989, so it is 69 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 17,354 vehicles a day, roughly 6% of them trucks, projected to reach 25,337 by 2041. The structure is 135 ft (41.1 m) long and 70 ft wide.

CarriesUS 79 NB (eb)
CrossesMc Nutt Creek
Location5.7 MI E of IH 35
RouteU.S. Route 79
StateTexas
Coordinates30.53471, -97.59527
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadOther
Structure length135 ft (41.1 m)
Longest span30 ft (9.1 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,354 (2021)
Projected traffic25,337 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US 79 NB (eb) over Mc Nutt Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1989.

What condition is US 79 NB (eb) over Mc Nutt 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 January 2023.

How much traffic does US 79 NB (eb) over Mc Nutt Creek carry?

About 17,354 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US 79 NB (eb) over Mc Nutt Creek?

The structure is 135 ft (41.1 m) long with a longest span of 30 ft (9.1 m) and a deck 70 ft wide.

Who owns US 79 NB (eb) over Mc Nutt Creek?

It is owned by the State Highway Agency.