US Bridges

Isla Del Sol Drive over Isla Del Sol Bayou

Fair

Galveston County, Texas · 0.4 MI NW of FM 3005 · Structure no. 120850B00531217

Built
1985
40 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
40 ft
5 main spans
Daily traffic
91
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Isla Del Sol Drive over Isla Del Sol Bayou is a concrete culvert carrying Isla Del Sol Drive over Isla Del Sol Bayou in Galveston County, Texas. It was built in 1985, so it is 40 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 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 91 vehicles a day, roughly 3% of them trucks, projected to reach 136 by 2038. The structure is 40 ft (12.2 m) long and 48 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesIsla Del Sol Drive
CrossesIsla Del Sol Bayou
Location0.4 MI NW of FM 3005
RouteCity Street 0
CountyGalveston County
StateTexas
Coordinates29.13794, -95.05516
Functional classUrban 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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans5
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span6 ft (1.8 m)
Deck width48 ft (14.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2018)
Projected traffic136 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Isla Del Sol Drive over Isla Del Sol Bayou built?

It was built in 1985, making it 40 years old in 2025.

What condition is Isla Del Sol Drive over Isla Del Sol Bayou 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 December 2023.

How much traffic does Isla Del Sol Drive over Isla Del Sol Bayou carry?

About 91 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Isla Del Sol Drive over Isla Del Sol Bayou?

The structure is 40 ft (12.2 m) long with a longest span of 6 ft (1.8 m) and a deck 48 ft wide.

Who owns Isla Del Sol Drive over Isla Del Sol Bayou?

It is owned by the City or Municipal Highway Agency.