US Bridges

SH 6 Nbml over US 84

Fair

McLennan County, Texas · 1.8 MI SE of Bosque Blvd · Structure no. 091610005508081

Built
1965
60 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
568 ft
10 main spans
Daily traffic
32,119
2017 count
Owner
State
State Highway Agency

About this bridge

SH 6 Nbml over US 84 is a concrete continuous slab carrying SH 6 Nbml over US 84 in McLennan County, Texas. It was built in 1965, so it is 60 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 32,119 vehicles a day, roughly 6% of them trucks, projected to reach 44,970 by 2037. The structure is 568 ft (173.1 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 6 Nbml
CrossesUS 84
Location1.8 MI SE of Bosque Blvd
RouteState Highway 6
CountyMcLennan County
StateTexas
Coordinates31.51285, -97.18969
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10 (+2 approach)
Design loadH 20
Structure length568 ft (173.1 m)
Longest span64 ft (19.5 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,119 (2017)
Projected traffic44,970 by 2037
Trucks6%
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$4.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 6 Nbml over US 84 built?

It was built in 1965, making it 60 years old in 2025.

What condition is SH 6 Nbml over US 84 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 Nbml over US 84 carry?

About 32,119 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SH 6 Nbml over US 84?

The structure is 568 ft (173.1 m) long with a longest span of 64 ft (19.5 m) and a deck 35 ft wide.

Who owns SH 6 Nbml over US 84?

It is owned by the State Highway Agency.