US Bridges

I-49 SB Lns - Wash over Johnson Mill Blvd.

Fair

Washington County, Arkansas · 2.35 N Inter I-49 & 71B · Structure no. 0000000000A5920

Built
1984
41 years old, rebuilt 2017
Condition
Fair
inspected December 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
196 ft
3 main spans
Daily traffic
34,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-49 SB Lns - Wash over Johnson Mill Blvd. is a steel continuous stringer/multi-beam or girder carrying I-49 SB Lns - Wash over Johnson Mill Blvd. in Washington County, Arkansas. It was built in 1984 and reconstructed in 2017, so it is 41 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 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 34,000 vehicles a day, roughly 11% of them trucks, projected to reach 54,000 by 2033. The structure is 196 ft (59.7 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-49 SB Lns - Wash
CrossesJohnson Mill Blvd.
Location2.35 N Inter I-49 & 71B
RouteInterstate 49
Coordinates36.13833, -94.18295
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length196 ft (59.7 m)
Longest span86 ft (26.2 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2018)
Projected traffic54,000 by 2033
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-49 SB Lns - Wash over Johnson Mill Blvd. built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2017.

What condition is I-49 SB Lns - Wash over Johnson Mill Blvd. 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 December 2021.

How much traffic does I-49 SB Lns - Wash over Johnson Mill Blvd. carry?

About 34,000 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is I-49 SB Lns - Wash over Johnson Mill Blvd.?

The structure is 196 ft (59.7 m) long with a longest span of 86 ft (26.2 m) and a deck 65 ft wide.

Who owns I-49 SB Lns - Wash over Johnson Mill Blvd.?

It is owned by the State Highway Agency.