US Bridges

FM 422 / Nevada ST over Seymour Creek

Good

Baylor County, Texas · 0.3 MI E of US 183/277 Bu · Structure no. 030120081401008

Built
1971
54 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
967
2020 count
Owner
State
State Highway Agency

About this bridge

FM 422 / Nevada ST over Seymour Creek is a concrete culvert carrying FM 422 / Nevada ST over Seymour Creek in Baylor County, Texas. It was built in 1971, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 967 vehicles a day, roughly 7% of them trucks, projected to reach 1,160 by 2040. The structure is 33 ft (10.1 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFM 422 / Nevada ST
CrossesSeymour Creek
Location0.3 MI E of US 183/277 Bu
RouteState Highway 422
StateTexas
Coordinates33.59219, -99.25479
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width57 ft (17.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic967 (2020)
Projected traffic1,160 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 422 / Nevada ST over Seymour Creek built?

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

What condition is FM 422 / Nevada ST over Seymour Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does FM 422 / Nevada ST over Seymour Creek carry?

About 967 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is FM 422 / Nevada ST over Seymour Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 57 ft wide.

Who owns FM 422 / Nevada ST over Seymour Creek?

It is owned by the State Highway Agency.