US Bridges

SH 73 over Drainage Ditch

Good

Jefferson County, Texas · 0.20 MI SW of SH 347 · Structure no. 201240050804167

Built
1961
64 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
23 ft
3 main spans
Daily traffic
39,860
2022 count
Owner
State
State Highway Agency

About this bridge

SH 73 over Drainage Ditch is a concrete culvert carrying SH 73 over Drainage Ditch in Jefferson County, Texas. It was built in 1961, so it is 64 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 39,860 vehicles a day, roughly 7% of them trucks, projected to reach 56,600 by 2033. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 73
CrossesDrainage Ditch
Location0.20 MI SW of SH 347
RouteState Highway 73
StateTexas
Coordinates29.9331, -93.93589
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length23 ft (7 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,860 (2022)
Projected traffic56,600 by 2033
Trucks7%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 73 over Drainage Ditch built?

It was built in 1961, making it 64 years old in 2025.

What condition is SH 73 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 July 2024.

How much traffic does SH 73 over Drainage Ditch carry?

About 39,860 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SH 73 over Drainage Ditch?

The structure is 23 ft (7 m) long with a longest span of 7 ft (2.1 m).

Who owns SH 73 over Drainage Ditch?

It is owned by the State Highway Agency.