US Bridges

Old Sour Lake RD over Gallier Canal

Fair

Jefferson County, Texas · 3.80 MI W of FM 364 · Structure no. 201240AA0112003

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
53 ft
4 main spans
Daily traffic
1,459
2016 count
Owner
County
County Highway Agency

About this bridge

Old Sour Lake RD over Gallier Canal is a concrete culvert carrying Old Sour Lake RD over Gallier Canal in Jefferson County, Texas. It was built in 1970, so it is 55 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 6 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 1,459 vehicles a day, projected to reach 1,280 by 2035. The structure is 53 ft (16.2 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOld Sour Lake RD
CrossesGallier Canal
Location3.80 MI W of FM 364
RouteCounty Highway 0
StateTexas
Coordinates30.08094, -94.25067
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span13 ft (4 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,459 (2016)
Projected traffic1,280 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Old Sour Lake RD over Gallier Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is Old Sour Lake RD over Gallier 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 2023.

How much traffic does Old Sour Lake RD over Gallier Canal carry?

About 1,459 vehicles per day (2016 count).

How long is Old Sour Lake RD over Gallier Canal?

The structure is 53 ft (16.2 m) long with a longest span of 13 ft (4 m) and a deck 30 ft wide.

Who owns Old Sour Lake RD over Gallier Canal?

It is owned by the County Highway Agency.