US Bridges

US 84 WB over SP 331 SB

Fair

Lubbock County, Texas · 2.75 MI SE of Lp 289 · Structure no. 051520005318030

Built
1957
68 years old, rebuilt 1988
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
207 ft
3 main spans
Daily traffic
14,220
2020 count
Owner
State
State Highway Agency

About this bridge

US 84 WB over SP 331 SB is a steel continuous stringer/multi-beam or girder carrying US 84 WB over SP 331 SB in Lubbock County, Texas. It was built in 1957 and reconstructed in 1988, so it is 68 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 5 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 14,220 vehicles a day, roughly 28% of them trucks, projected to reach 9,800 by 2033. The structure is 207 ft (63.1 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 84 WB
CrossesSP 331 SB
Location2.75 MI SE of Lp 289
RouteU.S. Route 84
StateTexas
Coordinates33.51776, -101.77386
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length207 ft (63.1 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,220 (2020)
Projected traffic9,800 by 2033
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 84 WB over SP 331 SB built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1988.

What condition is US 84 WB over SP 331 SB 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 October 2023.

How much traffic does US 84 WB over SP 331 SB carry?

About 14,220 vehicles per day (2020 count), of which roughly 28% are trucks.

How long is US 84 WB over SP 331 SB?

The structure is 207 ft (63.1 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns US 84 WB over SP 331 SB?

It is owned by the State Highway Agency.