US Bridges

FM 3470 over BNSF RR

Fair

Bell County, Texas · 0.02 MI N of US 190 · Structure no. 090140353401003

Built
1971
54 years old, rebuilt 1996
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
165 ft
3 main spans
Daily traffic
19,536
2020 count
Owner
State
State Highway Agency

About this bridge

FM 3470 over BNSF RR is a concrete continuous slab carrying FM 3470 over BNSF RR in Bell County, Texas. It was built in 1971 and reconstructed in 1996, so it is 54 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 19,536 vehicles a day, roughly 5% of them trucks, projected to reach 55,840 by 2027. The structure is 165 ft (50.3 m) long and 92 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM 3470
CrossesBNSF RR
Location0.02 MI N of US 190
RouteState Highway 3470
StateTexas
Coordinates31.12293, -97.79846
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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span65 ft (19.8 m)
Deck width92 ft (28 m)
Roadway width89 ft (27.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,536 (2020)
Projected traffic55,840 by 2027
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed8.1 mi (13 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$915,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3470 over BNSF RR built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1996.

What condition is FM 3470 over BNSF RR 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 April 2023.

How much traffic does FM 3470 over BNSF RR carry?

About 19,536 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FM 3470 over BNSF RR?

The structure is 165 ft (50.3 m) long with a longest span of 65 ft (19.8 m) and a deck 92 ft wide.

Who owns FM 3470 over BNSF RR?

It is owned by the State Highway Agency.