US Bridges

Oyster LAKE(CR365) over Pelican Slough

Fair

Matagorda County, Texas · 7.4 MI S of FM 521 · Structure no. 131580AA0443003

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
89 ft
6 main spans
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

Oyster LAKE(CR365) over Pelican Slough is a wood or timber stringer/multi-beam or girder carrying Oyster LAKE(CR365) over Pelican Slough in Matagorda County, Texas. It was built in 1991, so it is 34 years old, younger 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 24 vehicles a day, roughly 3% of them trucks, projected to reach 78 by 2042. The structure is 89 ft (27.1 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesOyster LAKE(CR365)
CrossesPelican Slough
Location7.4 MI S of FM 521
RouteCounty Highway 365
StateTexas
Coordinates28.71081, -96.16311
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating20.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans6
Design loadUnknown
Structure length89 ft (27.1 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic78 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oyster LAKE(CR365) over Pelican Slough built?

It was built in 1991, making it 34 years old in 2025.

What condition is Oyster LAKE(CR365) over Pelican Slough 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 February 2024.

How much traffic does Oyster LAKE(CR365) over Pelican Slough carry?

About 24 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Oyster LAKE(CR365) over Pelican Slough?

The structure is 89 ft (27.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Oyster LAKE(CR365) over Pelican Slough?

It is owned by the County Highway Agency.