US Bridges

I-55-12SB-LM39.00 over Ditch No. 50

Good

Mississippi County, Arkansas · 2 MI So JCT SH 14 · Structure no. 0000000000A6898

Built
2003
22 years old
Condition
Good
inspected February 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
182 ft
4 main spans
Daily traffic
10,020
2018 count
Owner
State
State Highway Agency

About this bridge

I-55-12SB-LM39.00 over Ditch No. 50 is a steel continuous stringer/multi-beam or girder carrying I-55-12SB-LM39.00 over Ditch No. 50 in Mississippi County, Arkansas. It was built in 2003, so it is 22 years old, younger 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 10,020 vehicles a day, roughly 39% of them trucks, projected to reach 12,202 by 2028. The structure is 182 ft (55.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-55-12SB-LM39.00
CrossesDitch No. 50
Location2 MI So JCT SH 14
RouteInterstate 55
CountyMississippi County
StateArkansas
Coordinates35.58195, -90.13364
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length182 ft (55.6 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,020 (2018)
Projected traffic12,202 by 2028
Trucks39%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-55-12SB-LM39.00 over Ditch No. 50 built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-55-12SB-LM39.00 over Ditch No. 50 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 February 2022.

How much traffic does I-55-12SB-LM39.00 over Ditch No. 50 carry?

About 10,020 vehicles per day (2018 count), of which roughly 39% are trucks.

How long is I-55-12SB-LM39.00 over Ditch No. 50?

The structure is 182 ft (55.6 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns I-55-12SB-LM39.00 over Ditch No. 50?

It is owned by the State Highway Agency.