US Bridges

Delaney RD over Highland Bayou

Fair

Galveston County, Texas · 0.3 MI N of SH 6 · Structure no. 120850G00270058

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
125 ft
5 main spans
Daily traffic
4,350
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Delaney RD over Highland Bayou is a concrete slab carrying Delaney RD over Highland Bayou in Galveston County, Texas. It was built in 1965, so it is 60 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 4,350 vehicles a day, projected to reach 4,785 by 2031. The structure is 125 ft (38.1 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDelaney RD
CrossesHighland Bayou
Location0.3 MI N of SH 6
RouteCity Street 0
StateTexas
Coordinates29.35356, -95.02017
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length125 ft (38.1 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,350 (2011)
Projected traffic4,785 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Delaney RD over Highland Bayou built?

It was built in 1965, making it 60 years old in 2025.

What condition is Delaney RD over Highland 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 November 2023.

How much traffic does Delaney RD over Highland Bayou carry?

About 4,350 vehicles per day (2011 count).

How long is Delaney RD over Highland Bayou?

The structure is 125 ft (38.1 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns Delaney RD over Highland Bayou?

It is owned by the Town or Township Highway Agency.