US Bridges

US 84 EB over FM 400

Fair

Lubbock County, Texas · 1.60 MI SE of FM 41 · Structure no. 051520005301073

Built
1966
59 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
2 main spans
Daily traffic
5,456
2022 count
Owner
State
State Highway Agency

About this bridge

US 84 EB over FM 400 is a prestressed concrete stringer/multi-beam or girder carrying US 84 EB over FM 400 in Lubbock County, Texas. It was built in 1966, so it is 59 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 5,456 vehicles a day, roughly 29% of them trucks, projected to reach 8,043 by 2042. The structure is 182 ft (55.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 84 EB
CrossesFM 400
Location1.60 MI SE of FM 41
RouteU.S. Route 84
StateTexas
Coordinates33.41996, -101.64291
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating20.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length182 ft (55.5 m)
Longest span53 ft (16.2 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,456 (2022)
Projected traffic8,043 by 2042
Trucks29%
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 EB over FM 400 built?

It was built in 1966, making it 59 years old in 2025.

What condition is US 84 EB over FM 400 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 EB over FM 400 carry?

About 5,456 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is US 84 EB over FM 400?

The structure is 182 ft (55.5 m) long with a longest span of 53 ft (16.2 m) and a deck 42 ft wide.

Who owns US 84 EB over FM 400?

It is owned by the State Highway Agency.