US Bridges

TOWNSEND/Z-EW/0.34 over Blackfish Bayou

Fair

Crittenden County, Arkansas · 3.07 Miles So Int 639&367 · Structure no. 000000000020760

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
193 ft
5 main spans
Daily traffic
108
2018 count
Owner
County
County Highway Agency

About this bridge

TOWNSEND/Z-EW/0.34 over Blackfish Bayou is a prestressed concrete slab carrying TOWNSEND/Z-EW/0.34 over Blackfish Bayou in Crittenden County, Arkansas. It was built in 1989, so it is 36 years old, younger 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 108 vehicles a day, roughly 1% of them trucks, projected to reach 25 by 2007. The structure is 193 ft (58.8 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTOWNSEND/Z-EW/0.34
CrossesBlackfish Bayou
Location3.07 Miles So Int 639&367
RouteCounty Highway 599
CountyCrittenden County
StateArkansas
Coordinates35.23638, -90.44706
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 inspectionApril 2023
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length193 ft (58.8 m)
Longest span38 ft (11.6 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2018)
Projected traffic25 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$457,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TOWNSEND/Z-EW/0.34 over Blackfish Bayou built?

It was built in 1989, making it 36 years old in 2025.

What condition is TOWNSEND/Z-EW/0.34 over Blackfish 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 April 2023.

How much traffic does TOWNSEND/Z-EW/0.34 over Blackfish Bayou carry?

About 108 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is TOWNSEND/Z-EW/0.34 over Blackfish Bayou?

The structure is 193 ft (58.8 m) long with a longest span of 38 ft (11.6 m) and a deck 18 ft wide.

Who owns TOWNSEND/Z-EW/0.34 over Blackfish Bayou?

It is owned by the County Highway Agency.