US Bridges

FM 105 over Drainage Ditch

Good

Orange County, Texas · 0.10 MI W of SH 62 · Structure no. 201810068902002

Built
1998
27 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
32 ft
4 main spans
Daily traffic
4,620
2020 count
Owner
State
State Highway Agency

About this bridge

FM 105 over Drainage Ditch is a concrete culvert carrying FM 105 over Drainage Ditch in Orange 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 4,620 vehicles a day, roughly 4% of them trucks, projected to reach 7,300 by 2033. The structure is 32 ft (9.8 m) long and 68 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM 105
CrossesDrainage Ditch
Location0.10 MI W of SH 62
RouteState Highway 105
StateTexas
Coordinates30.07838, -93.82431
Functional classUrban Minor Arterial

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span5 ft (1.5 m)
Deck width68 ft (20.6 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,620 (2020)
Projected traffic7,300 by 2033
Trucks4%
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

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 105 over Drainage Ditch built?

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

What condition is FM 105 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 March 2024.

How much traffic does FM 105 over Drainage Ditch carry?

About 4,620 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is FM 105 over Drainage Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 5 ft (1.5 m) and a deck 68 ft wide.

Who owns FM 105 over Drainage Ditch?

It is owned by the State Highway Agency.