US Bridges

SH 6 NB over Loop 396

Fair

McLennan County, Texas · 1.5 MI NW of US 84 · Structure no. 091610025809074

Built
1963
62 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
160 ft
4 main spans
Daily traffic
11,597
2019 count
Owner
State
State Highway Agency

About this bridge

SH 6 NB over Loop 396 is a concrete stringer/multi-beam or girder carrying SH 6 NB over Loop 396 in McLennan County, Texas. It was built in 1963, so it is 62 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 11,597 vehicles a day, roughly 7% of them trucks, projected to reach 22,485 by 2037. The structure is 160 ft (48.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 6 NB
CrossesLoop 396
Location1.5 MI NW of US 84
RouteState Highway 6
StateTexas
Coordinates31.52066, -97.21221
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,597 (2019)
Projected traffic22,485 by 2037
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 6 NB over Loop 396 built?

It was built in 1963, making it 62 years old in 2025.

What condition is SH 6 NB over Loop 396 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 February 2023.

How much traffic does SH 6 NB over Loop 396 carry?

About 11,597 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SH 6 NB over Loop 396?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 41 ft wide.

Who owns SH 6 NB over Loop 396?

It is owned by the State Highway Agency.