US Bridges

US 84 WB over SH 31

Fair

McLennan County, Texas · 5.7 MI NW of Lp 340 · Structure no. 091610005601077

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
486 ft
2 main spans
Daily traffic
6,718
2020 count
Owner
State
State Highway Agency

About this bridge

US 84 WB over SH 31 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 84 WB over SH 31 in McLennan County, Texas. It was built in 1977, so it is 48 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 6,718 vehicles a day, roughly 12% of them trucks, projected to reach 4,415 by 2037. The structure is 486 ft (148.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 84 WB
CrossesSH 31
Location5.7 MI NW of Lp 340
RouteU.S. Route 84
CountyMcLennan County
StateTexas
Coordinates31.62942, -97.02505
Functional classRural Minor 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.
Last inspectionMarch 2023
Inspection intervalevery 48 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length486 ft (148.1 m)
Longest span143 ft (43.6 m)
Deck width44 ft (13.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,718 (2020)
Projected traffic4,415 by 2037
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 84 WB over SH 31 built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 84 WB over SH 31 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 US 84 WB over SH 31 carry?

About 6,718 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is US 84 WB over SH 31?

The structure is 486 ft (148.1 m) long with a longest span of 143 ft (43.6 m) and a deck 44 ft wide.

Who owns US 84 WB over SH 31?

It is owned by the State Highway Agency.