US Bridges

Theis Lane over Hcfcd M121-00-00

Good

Harris County, Texas · 0.7 MI E of Bus 249 · Structure no. 121020W63954110

Built
2022
3 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
3,900
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Theis Lane over Hcfcd M121-00-00 is a concrete culvert carrying Theis Lane over Hcfcd M121-00-00 in Harris County, Texas. It was built in 2022, so it is 3 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 3,900 vehicles a day, roughly 3% of them trucks, projected to reach 5,500 by 2041. The structure is 37 ft (11.3 m) long and 142 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTheis Lane
CrossesHcfcd M121-00-00
Location0.7 MI E of Bus 249
RouteCity Street 0
StateTexas
Coordinates30.07718, -95.61663
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable 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 spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width142 ft (43.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,900 (2021)
Projected traffic5,500 by 2041
Trucks3%
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 Theis Lane over Hcfcd M121-00-00 built?

It was built in 2022, making it 3 years old in 2025.

What condition is Theis Lane over Hcfcd M121-00-00 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 Theis Lane over Hcfcd M121-00-00 carry?

About 3,900 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Theis Lane over Hcfcd M121-00-00?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m) and a deck 142 ft wide.

Who owns Theis Lane over Hcfcd M121-00-00?

It is owned by the City or Municipal Highway Agency.