US Bridges

I-555 SB-02-LM7.78 over Dead Timber Lake

Good

Poinsett County, Arkansas · .5 MI SE SH 118 · Structure no. 000000000005608

Built
1976
49 years old
Condition
Good
inspected February 2022
Type
Slab
Concrete
Length
120 ft
3 main spans
Daily traffic
12,271
2018 count
Owner
State
State Highway Agency

About this bridge

I-555 SB-02-LM7.78 over Dead Timber Lake is a concrete slab carrying I-555 SB-02-LM7.78 over Dead Timber Lake in Poinsett County, Arkansas. It was built in 1976, so it is 49 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 12,271 vehicles a day, roughly 18% of them trucks, projected to reach 6,209 by 2028. The structure is 120 ft (36.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-555 SB-02-LM7.78
CrossesDead Timber Lake
Location.5 MI SE SH 118
RouteInterstate 555
Coordinates35.47889, -90.34852
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 geometry6: Equal to 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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width42 ft (12.7 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,271 (2018)
Projected traffic6,209 by 2028
Trucks18%
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-555 SB-02-LM7.78 over Dead Timber Lake built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-555 SB-02-LM7.78 over Dead Timber Lake 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-555 SB-02-LM7.78 over Dead Timber Lake carry?

About 12,271 vehicles per day (2018 count), of which roughly 18% are trucks.

How long is I-555 SB-02-LM7.78 over Dead Timber Lake?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.

Who owns I-555 SB-02-LM7.78 over Dead Timber Lake?

It is owned by the State Highway Agency.