US Bridges

SH 3 over Horsepen Bayou

Good

Harris County, Texas · 0.15 Mile NW of FM 2351 · Structure no. 121020005102014

Built
2008
17 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
15,828
2023 count
Owner
State
State Highway Agency

About this bridge

SH 3 over Horsepen Bayou is a concrete culvert carrying SH 3 over Horsepen Bayou in Harris County, Texas. It was built in 2008, so it is 17 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 15,828 vehicles a day, roughly 6% of them trucks, projected to reach 22,159 by 2042. The structure is 36 ft (11 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 3
CrossesHorsepen Bayou
Location0.15 Mile NW of FM 2351
RouteState Highway 3
CountyHarris County
StateTexas
Coordinates29.58181, -95.15931
Functional classUrban Other Principal 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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span10 ft (3 m)
Deck width62 ft (18.9 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,828 (2023)
Projected traffic22,159 by 2042
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 SH 3 over Horsepen Bayou built?

It was built in 2008, making it 17 years old in 2025.

What condition is SH 3 over Horsepen Bayou 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 2024.

How much traffic does SH 3 over Horsepen Bayou carry?

About 15,828 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SH 3 over Horsepen Bayou?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m) and a deck 62 ft wide.

Who owns SH 3 over Horsepen Bayou?

It is owned by the State Highway Agency.