US Bridges

FM 13 over Grissom CR

Fair

Cherokee County, Texas · 0.47 MI E of FM 856 · Structure no. 100370059103005

Built
1940
85 years old, rebuilt 1972
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
38 ft
5 main spans
Daily traffic
1,323
2020 count
Owner
State
State Highway Agency

About this bridge

FM 13 over Grissom CR is a concrete culvert carrying FM 13 over Grissom CR in Cherokee County, Texas. It was built in 1940 and reconstructed in 1972, so it is 85 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 1,323 vehicles a day, roughly 5% of them trucks, projected to reach 1,750 by 2033. The structure is 38 ft (11.6 m) long and 39 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesFM 13
CrossesGrissom CR
Location0.47 MI E of FM 856
RouteState Highway 13
CountyCherokee County
StateTexas
Coordinates32.10512, -95.03472
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span7 ft (2.1 m)
Deck width39 ft (12 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,323 (2020)
Projected traffic1,750 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 13 over Grissom CR built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1972.

What condition is FM 13 over Grissom CR 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 13 over Grissom CR carry?

About 1,323 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is FM 13 over Grissom CR?

The structure is 38 ft (11.6 m) long with a longest span of 7 ft (2.1 m) and a deck 39 ft wide.

Who owns FM 13 over Grissom CR?

It is owned by the State Highway Agency.