US Bridges

FM 156 over Drainage Ditch

Fair

Denton County, Texas · 0.40 MI N of FM 407 · Structure no. 180610071801033

Built
1959
66 years old, rebuilt 2018
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
11,305
2023 count
Owner
State
State Highway Agency

About this bridge

FM 156 over Drainage Ditch is a concrete culvert carrying FM 156 over Drainage Ditch in Denton County, Texas. It was built in 1959 and reconstructed in 2018, so it is 66 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 11,305 vehicles a day, roughly 7% of them trucks, projected to reach 7,400 by 2033. The structure is 22 ft (6.7 m) long and 85 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesFM 156
CrossesDrainage Ditch
Location0.40 MI N of FM 407
RouteState Highway 156
CountyDenton County
StateTexas
Coordinates33.09391, -97.29437
Functional classRural Minor Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable 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 spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width85 ft (25.8 m)
Roadway width55 ft (16.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,305 (2023)
Projected traffic7,400 by 2033
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 156 over Drainage Ditch built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2018.

What condition is FM 156 over Drainage Ditch 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 September 2023.

How much traffic does FM 156 over Drainage Ditch carry?

About 11,305 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is FM 156 over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 85 ft wide.

Who owns FM 156 over Drainage Ditch?

It is owned by the State Highway Agency.