US Bridges

FM 9 over Cross Bayou

Good

Harrison County, Texas · 1.30 MI S of IH 20 · Structure no. 191030063204028

Built
1975
50 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
3,195
2020 count
Owner
State
State Highway Agency

About this bridge

FM 9 over Cross Bayou is a concrete culvert carrying FM 9 over Cross Bayou in Harrison County, Texas. It was built in 1975, so it is 50 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 3,195 vehicles a day, roughly 14% of them trucks, projected to reach 4,840 by 2033. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 16.8 mi (27 km).

CarriesFM 9
CrossesCross Bayou
Location1.30 MI S of IH 20
RouteState Highway 9
StateTexas
Coordinates32.45468, -94.0707
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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
DeckNot applicable
Main spans4
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,195 (2020)
Projected traffic4,840 by 2033
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 9 over Cross Bayou built?

It was built in 1975, making it 50 years old in 2025.

What condition is FM 9 over Cross Bayou 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 September 2023.

How much traffic does FM 9 over Cross Bayou carry?

About 3,195 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is FM 9 over Cross Bayou?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m).

Who owns FM 9 over Cross Bayou?

It is owned by the State Highway Agency.