US Bridges

CR 400 over Drainage Ditch

Good

Brazoria County, Texas · 1.10 MI W of FM 2004 · Structure no. 120200AA0473002

Built
1989
36 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
1,194
2016 count
Owner
County
County Highway Agency

About this bridge

CR 400 over Drainage Ditch is a concrete culvert carrying CR 400 over Drainage Ditch in Brazoria County, Texas. It was built in 1989, so it is 36 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 1,194 vehicles a day, roughly 9% of them trucks, projected to reach 1,500 by 2031. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 400
CrossesDrainage Ditch
Location1.10 MI W of FM 2004
RouteCounty Highway 400
StateTexas
Coordinates29.02273, -95.4939
Functional classRural Local

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,194 (2016)
Projected traffic1,500 by 2031
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 400 over Drainage Ditch built?

It was built in 1989, making it 36 years old in 2025.

What condition is CR 400 over Drainage Ditch 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 November 2023.

How much traffic does CR 400 over Drainage Ditch carry?

About 1,194 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is CR 400 over Drainage Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 8 ft (2.4 m).

Who owns CR 400 over Drainage Ditch?

It is owned by the County Highway Agency.