US Bridges

FM 413 over Brazos River

Fair

Falls County, Texas · 0.50 MI SW of FM 1373 · Structure no. 090740080801008

Built
1955
70 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
671 ft
4 main spans
Daily traffic
428
2020 count
Owner
State
State Highway Agency

About this bridge

FM 413 over Brazos River is a steel continuous stringer/multi-beam or girder carrying FM 413 over Brazos River in Falls County, Texas. It was built in 1955, so it is 70 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 428 vehicles a day, roughly 10% of them trucks, projected to reach 590 by 2033. The structure is 671 ft (204.5 m) long and 29 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesFM 413
CrossesBrazos River
Location0.50 MI SW of FM 1373
RouteState Highway 413
StateTexas
Coordinates31.13468, -96.82471
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+5 approach)
Design loadOther
Structure length671 ft (204.5 m)
Longest span130 ft (39.6 m)
Deck width29 ft (8.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic428 (2020)
Projected traffic590 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 413 over Brazos River built?

It was built in 1955, making it 70 years old in 2025.

What condition is FM 413 over Brazos River 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 FM 413 over Brazos River carry?

About 428 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is FM 413 over Brazos River?

The structure is 671 ft (204.5 m) long with a longest span of 130 ft (39.6 m) and a deck 29 ft wide.

Who owns FM 413 over Brazos River?

It is owned by the State Highway Agency.