US Bridges

Dayton ST over Adams Bayou Tributary

Fair

Orange County, Texas · 0.20 MI S of South Ave · Structure no. 201810E00120001

Built
1960
65 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
4,448
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dayton ST over Adams Bayou Tributary is a concrete culvert carrying Dayton ST over Adams Bayou Tributary in Orange County, Texas. It was built in 1960, so it is 65 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 4,448 vehicles a day, roughly 3% of them trucks, projected to reach 6,230 by 2037. The structure is 30 ft (9.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDayton ST
CrossesAdams Bayou Tributary
Location0.20 MI S of South Ave
RouteCity Street 0
CountyOrange County
StateTexas
Coordinates30.08766, -93.75123
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans3
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span9 ft (2.7 m)
Deck width37 ft (11.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,448 (2016)
Projected traffic6,230 by 2037
Trucks3%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$16,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dayton ST over Adams Bayou Tributary built?

It was built in 1960, making it 65 years old in 2025.

What condition is Dayton ST over Adams Bayou Tributary 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 Dayton ST over Adams Bayou Tributary carry?

About 4,448 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Dayton ST over Adams Bayou Tributary?

The structure is 30 ft (9.1 m) long with a longest span of 9 ft (2.7 m) and a deck 37 ft wide.

Who owns Dayton ST over Adams Bayou Tributary?

It is owned by the City or Municipal Highway Agency.