US Bridges

E Round Bunch Road over Cow Bayou

Fair

Orange County, Texas · 2.5 MI E of SH 87 Int · Structure no. 201810AA2690006

Built
1960
65 years old, rebuilt 2020
Condition
Fair
inspected June 2023
Type
Movable - Swing
Steel
Length
400 ft
2 main spans
Daily traffic
2,090
2019 count
Owner
County
County Highway Agency

About this bridge

E Round Bunch Road over Cow Bayou is a steel movable - swing carrying E Round Bunch Road over Cow Bayou in Orange County, Texas. It was built in 1960 and reconstructed in 2020, 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 2,090 vehicles a day, roughly 7% of them trucks, projected to reach 2,926 by 2039. The structure is 400 ft (121.9 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesE Round Bunch Road
CrossesCow Bayou
Location2.5 MI E of SH 87 Int
RouteCity Street 648
CountyOrange County
StateTexas
Coordinates30.03729, -93.79573
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeMovable - Swing
MaterialSteel
DeckOpen grating
Main spans2 (+7 approach)
Design loadHS 20
Structure length400 ft (121.9 m)
Longest span180 ft (54.9 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,090 (2019)
Projected traffic2,926 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$829,000
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was E Round Bunch Road over Cow Bayou built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2020.

What condition is E Round Bunch Road over Cow 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 June 2023.

How much traffic does E Round Bunch Road over Cow Bayou carry?

About 2,090 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is E Round Bunch Road over Cow Bayou?

The structure is 400 ft (121.9 m) long with a longest span of 180 ft (54.9 m) and a deck 28 ft wide.

Who owns E Round Bunch Road over Cow Bayou?

It is owned by the County Highway Agency.