US Bridges

Loop 340 WB over UP RR & FM 2418 SB

Fair

McLennan County, Texas · 0.2 MI W of US 84 · Structure no. 091610231101005

Built
1978
47 years old, rebuilt 1990
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
210 ft
4 main spans
Daily traffic
13,890
2019 count
Owner
State
State Highway Agency

About this bridge

Loop 340 WB over UP RR & FM 2418 SB is a concrete continuous slab carrying Loop 340 WB over UP RR & FM 2418 SB in McLennan County, Texas. It was built in 1978 and reconstructed in 1990, so it is 47 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 13,890 vehicles a day, roughly 9% of them trucks, projected to reach 29,260 by 2037. The structure is 210 ft (64 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLoop 340 WB
CrossesUP RR & FM 2418 SB
Location0.2 MI W of US 84
RouteState Highway 340
StateTexas
Coordinates31.60131, -97.09316
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 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 rating52 US tons
Inventory rating31 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length210 ft (64 m)
Longest span60 ft (18.3 m)
Deck width51 ft (15.6 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,890 (2019)
Projected traffic29,260 by 2037
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Loop 340 WB over UP RR & FM 2418 SB built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1990.

What condition is Loop 340 WB over UP RR & FM 2418 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 January 2023.

How much traffic does Loop 340 WB over UP RR & FM 2418 SB carry?

About 13,890 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Loop 340 WB over UP RR & FM 2418 SB?

The structure is 210 ft (64 m) long with a longest span of 60 ft (18.3 m) and a deck 51 ft wide.

Who owns Loop 340 WB over UP RR & FM 2418 SB?

It is owned by the State Highway Agency.