US Bridges

SH 3 over Drainage Ditch

Good

Harris County, Texas · 0.85 MI SE of FM 1959 · Structure no. 121020005102007

Built
1925
100 years old, rebuilt 1994
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
15,828
2023 count
Owner
State
State Highway Agency

About this bridge

SH 3 over Drainage Ditch is a concrete culvert carrying SH 3 over Drainage Ditch in Harris County, Texas. It was built in 1925 and reconstructed in 1994, so it is 100 years old, older 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 22 ft (6.7 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSH 3
CrossesDrainage Ditch
Location0.85 MI SE of FM 1959
RouteState Highway 3
CountyHarris County
StateTexas
Coordinates29.59115, -95.16809
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width79 ft (24.2 m)
Roadway width70 ft (21.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,828 (2023)
Projected traffic22,159 by 2042
Trucks6%
Lanes on structure5
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 3 over Drainage Ditch built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1994.

What condition is SH 3 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 2024.

How much traffic does SH 3 over Drainage Ditch carry?

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

How long is SH 3 over Drainage Ditch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 79 ft wide.

Who owns SH 3 over Drainage Ditch?

It is owned by the State Highway Agency.