US Bridges

IH 10 Ml over Spindletop Ditch

Good

Chambers County, Texas · 1.4 MI W of FM 1406 · Structure no. 200360050803438

Built
1994
31 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
75 ft
5 main spans
Daily traffic
53,196
2022 count
Owner
State
State Highway Agency

About this bridge

IH 10 Ml over Spindletop Ditch is a concrete culvert carrying IH 10 Ml over Spindletop Ditch in Chambers 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 53,196 vehicles a day, roughly 32% of them trucks, projected to reach 66,770 by 2033. The structure is 75 ft (22.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 10 Ml
CrossesSpindletop Ditch
Location1.4 MI W of FM 1406
RouteInterstate 10
StateTexas
Coordinates29.82713, -94.4253
Functional classRural Principal Arterial - Interstate

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 inspectionMay 2024
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
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
DeckNot applicable
Main spans5
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,196 (2022)
Projected traffic66,770 by 2033
Trucks32%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 10 Ml over Spindletop Ditch built?

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

What condition is IH 10 Ml over Spindletop 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 May 2024.

How much traffic does IH 10 Ml over Spindletop Ditch carry?

About 53,196 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is IH 10 Ml over Spindletop Ditch?

The structure is 75 ft (22.9 m) long with a longest span of 10 ft (3 m).

Who owns IH 10 Ml over Spindletop Ditch?

It is owned by the State Highway Agency.