US Bridges

SH 600/ROHWER Lane over Amos Bayou

Fair

Desha County, Arkansas · 0.20 MI E SH 1-ROHWER · Structure no. 000000000012671

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
138 ft
6 main spans
Daily traffic
110
1987 count
Owner
State
State Highway Agency

About this bridge

SH 600/ROHWER Lane over Amos Bayou is a concrete channel beam carrying SH 600/ROHWER Lane over Amos Bayou in Desha County, Arkansas. It was built in 1970, so it is 55 years old, older than the Arkansas average of 45.1 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 110 vehicles a day, roughly 1% of them trucks, projected to reach 31 by 2007. The structure is 138 ft (42.2 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSH 600/ROHWER Lane
CrossesAmos Bayou
Location0.20 MI E SH 1-ROHWER
RouteState Highway 600
CountyDesha County
StateArkansas
Coordinates33.76071, -91.27123
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadUnknown
Structure length138 ft (42.2 m)
Longest span31 ft (9.4 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (1987)
Projected traffic31 by 2007
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$376,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 600/ROHWER Lane over Amos Bayou built?

It was built in 1970, making it 55 years old in 2025.

What condition is SH 600/ROHWER Lane over Amos 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 March 2024.

How much traffic does SH 600/ROHWER Lane over Amos Bayou carry?

About 110 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is SH 600/ROHWER Lane over Amos Bayou?

The structure is 138 ft (42.2 m) long with a longest span of 31 ft (9.4 m) and a deck 17 ft wide.

Who owns SH 600/ROHWER Lane over Amos Bayou?

It is owned by the State Highway Agency.