US Bridges

CR 303(GLENBROOK) over Lnva Gallier Canal

Good

Jefferson County, Texas · 0.4 MI W of Gaulding RD · Structure no. 201240AA0303001

Built
1970
55 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
40 ft
4 main spans
Daily traffic
198
2016 count
Owner
County
County Highway Agency

About this bridge

CR 303(GLENBROOK) over Lnva Gallier Canal is a concrete culvert carrying CR 303(GLENBROOK) over Lnva 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 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 198 vehicles a day, roughly 3% of them trucks, projected to reach 198 by 2037. The structure is 40 ft (12.2 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCR 303(GLENBROOK)
CrossesLnva Gallier Canal
Location0.4 MI W of Gaulding RD
RouteCounty Highway 303
CountyJefferson County
StateTexas
Coordinates29.93501, -94.23199
Functional classRural Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior 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 length40 ft (12.2 m)
Longest span9 ft (2.8 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic198 (2016)
Projected traffic198 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 303(GLENBROOK) over Lnva Gallier Canal built?

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

What condition is CR 303(GLENBROOK) over Lnva Gallier Canal 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 June 2023.

How much traffic does CR 303(GLENBROOK) over Lnva Gallier Canal carry?

About 198 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is CR 303(GLENBROOK) over Lnva Gallier Canal?

The structure is 40 ft (12.2 m) long with a longest span of 9 ft (2.8 m) and a deck 21 ft wide.

Who owns CR 303(GLENBROOK) over Lnva Gallier Canal?

It is owned by the County Highway Agency.