US Bridges

I-555NB-02-LM 7.78 over Dead Timber Lake

Good

Poinsett County, Arkansas · .5 M SE of Jct. SH 118 · Structure no. 000000000007012

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
121 ft
3 main spans
Daily traffic
12,271
2018 count
Owner
State
State Highway Agency

About this bridge

I-555NB-02-LM 7.78 over Dead Timber Lake is a steel continuous stringer/multi-beam or girder carrying I-555NB-02-LM 7.78 over Dead Timber Lake in Poinsett County, Arkansas. It was built in 2005, so it is 20 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 12,271 vehicles a day, roughly 26% of them trucks, projected to reach 6,209 by 2028. The structure is 121 ft (36.9 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-555NB-02-LM 7.78
CrossesDead Timber Lake
Location.5 M SE of Jct. SH 118
RouteInterstate 555
CountyPoinsett County
StateArkansas
Coordinates35.47908, -90.34834
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,271 (2018)
Projected traffic6,209 by 2028
Trucks26%
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-555NB-02-LM 7.78 over Dead Timber Lake built?

It was built in 2005, making it 20 years old in 2025.

What condition is I-555NB-02-LM 7.78 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 June 2023.

How much traffic does I-555NB-02-LM 7.78 over Dead Timber Lake carry?

About 12,271 vehicles per day (2018 count), of which roughly 26% are trucks.

How long is I-555NB-02-LM 7.78 over Dead Timber Lake?

The structure is 121 ft (36.9 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns I-555NB-02-LM 7.78 over Dead Timber Lake?

It is owned by the State Highway Agency.