US Bridges

I-555 over Slsw Rr; Mahon St.

Good

Craighead County, Arkansas · 4.14 MI NW of SH 1B · Structure no. 0000000000B5204

Built
1970
55 years old, rebuilt 2006
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
274 ft
4 main spans
Daily traffic
10,500
2018 count
Owner
State
State Highway Agency

About this bridge

I-555 over Slsw Rr; Mahon St. is a steel stringer/multi-beam or girder carrying I-555 over Slsw Rr; Mahon St. in Craighead County, Arkansas. It was built in 1970 and reconstructed in 2006, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,500 vehicles a day, roughly 1% of them trucks, projected to reach 11,407 by 2028. The structure is 274 ft (83.6 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-555
CrossesSlsw Rr; Mahon St.
Location4.14 MI NW of SH 1B
RouteU.S. Route 555
CountyCraighead County
StateArkansas
Coordinates35.84072, -90.75232
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length274 ft (83.6 m)
Longest span102 ft (31.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2018)
Projected traffic11,407 by 2028
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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-555 over Slsw Rr; Mahon St. built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2006.

What condition is I-555 over Slsw Rr; Mahon St. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does I-555 over Slsw Rr; Mahon St. carry?

About 10,500 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is I-555 over Slsw Rr; Mahon St.?

The structure is 274 ft (83.6 m) long with a longest span of 102 ft (31.1 m) and a deck 51 ft wide.

Who owns I-555 over Slsw Rr; Mahon St.?

It is owned by the State Highway Agency.