US Bridges

FM 1807 over North Fk Chambers Ck

Good

Johnson County, Texas · 0.5 MI E of FM 1706 · Structure no. 021270160002009

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
48 ft
4 main spans
Daily traffic
1,807
2023 count
Owner
State
State Highway Agency

About this bridge

FM 1807 over North Fk Chambers Ck is a concrete culvert carrying FM 1807 over North Fk Chambers Ck in Johnson County, Texas. It was built in 1998, so it is 27 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 1,807 vehicles a day, roughly 5% of them trucks, projected to reach 1,500 by 2033. The structure is 48 ft (14.6 m) long and 82 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesFM 1807
CrossesNorth Fk Chambers Ck
Location0.5 MI E of FM 1706
RouteState Highway 1807
StateTexas
Coordinates32.40411, -97.20323
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 spans4
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span10 ft (3 m)
Deck width82 ft (25 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,807 (2023)
Projected traffic1,500 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 1807 over North Fk Chambers Ck built?

It was built in 1998, making it 27 years old in 2025.

What condition is FM 1807 over North Fk Chambers Ck 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 2024.

How much traffic does FM 1807 over North Fk Chambers Ck carry?

About 1,807 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FM 1807 over North Fk Chambers Ck?

The structure is 48 ft (14.6 m) long with a longest span of 10 ft (3 m) and a deck 82 ft wide.

Who owns FM 1807 over North Fk Chambers Ck?

It is owned by the State Highway Agency.