US Bridges

US 79 NB over SH 6 NB & UP RR

Good

Robertson County, Texas · 0.7 MI N of US 190 · Structure no. 171980020501118

Built
1972
53 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
570 ft
1 main span
Daily traffic
2,396
2023 count
Owner
State
State Highway Agency

About this bridge

US 79 NB over SH 6 NB & UP RR is a prestressed concrete stringer/multi-beam or girder carrying US 79 NB over SH 6 NB & UP RR in Robertson County, Texas. It was built in 1972, so it is 53 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 2,396 vehicles a day, roughly 37% of them trucks, projected to reach 3,354 by 2042. The structure is 570 ft (173.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 79 NB
CrossesSH 6 NB & UP RR
Location0.7 MI N of US 190
RouteU.S. Route 79
StateTexas
Coordinates30.90562, -96.60814
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.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20
Structure length570 ft (173.7 m)
Longest span130 ft (39.6 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,396 (2023)
Projected traffic3,354 by 2042
Trucks37%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 79 NB over SH 6 NB & UP RR built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 79 NB over SH 6 NB & UP RR 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 US 79 NB over SH 6 NB & UP RR carry?

About 2,396 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is US 79 NB over SH 6 NB & UP RR?

The structure is 570 ft (173.7 m) long with a longest span of 130 ft (39.6 m) and a deck 44 ft wide.

Who owns US 79 NB over SH 6 NB & UP RR?

It is owned by the State Highway Agency.