US Bridges

FM 856 over Mill CR

Good

Cherokee County, Texas · 0.30 MI S of FM 13 · Structure no. 100370115001008

Built
1990
35 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
46 ft
4 main spans
Daily traffic
633
2021 count
Owner
State
State Highway Agency

About this bridge

FM 856 over Mill CR is a concrete culvert carrying FM 856 over Mill CR in Cherokee County, Texas. It was built in 1990, so it is 35 years old, younger 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 633 vehicles a day, roughly 5% of them trucks, projected to reach 886 by 2041. The structure is 46 ft (14 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFM 856
CrossesMill CR
Location0.30 MI S of FM 13
RouteState Highway 856
StateTexas
Coordinates32.10244, -95.04232
Functional classRural Minor 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 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 spans4
Design loadHS 20
Structure length46 ft (14 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic633 (2021)
Projected traffic886 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 856 over Mill CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is FM 856 over Mill CR 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 January 2023.

How much traffic does FM 856 over Mill CR carry?

About 633 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FM 856 over Mill CR?

The structure is 46 ft (14 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns FM 856 over Mill CR?

It is owned by the State Highway Agency.