US Bridges

SH 73 EB over Main a Canal

Fair

Jefferson County, Texas · 0.25 MI NE of US 69 · Structure no. 201240050804171

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
200 ft
5 main spans
Daily traffic
45,616
2022 count
Owner
State
State Highway Agency

About this bridge

SH 73 EB over Main a Canal is a prestressed concrete stringer/multi-beam or girder carrying SH 73 EB over Main a Canal 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 45,616 vehicles a day, roughly 6% of them trucks, projected to reach 28,300 by 2033. The structure is 200 ft (61 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 73 EB
CrossesMain a Canal
Location0.25 MI NE of US 69
RouteState Highway 73
CountyJefferson County
StateTexas
Coordinates29.9211, -93.952
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Deck geometry5: 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 rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length200 ft (61 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.9 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,616 (2022)
Projected traffic28,300 by 2033
Trucks6%
Lanes on structure2
Traffic directionOne-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 EB over Main a Canal built?

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

What condition is SH 73 EB over Main a Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does SH 73 EB over Main a Canal carry?

About 45,616 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SH 73 EB over Main a Canal?

The structure is 200 ft (61 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns SH 73 EB over Main a Canal?

It is owned by the State Highway Agency.