US Bridges

Dorrance LN over Drainage Ditch

Good

Fort Bend County, Texas · 0.58 MI E of Dairy Ashfrd · Structure no. 120800CC3677285

Built
1994
31 years old
Condition
Good
inspected December 2023
Type
Other
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
300
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dorrance LN over Drainage Ditch is a prestressed concrete other carrying Dorrance LN over Drainage Ditch in Fort Bend County, Texas. It was built in 1994, so it is 31 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 300 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2040. The structure is 46 ft (14 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDorrance LN
CrossesDrainage Ditch
Location0.58 MI E of Dairy Ashfrd
RouteCity Street 0
StateTexas
Coordinates29.65152, -95.58883
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
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 typeOther
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width46 ft (14 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic300 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Dorrance LN over Drainage Ditch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Dorrance LN 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 December 2023.

How much traffic does Dorrance LN over Drainage Ditch carry?

About 300 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Dorrance LN over Drainage Ditch?

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

Who owns Dorrance LN over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.