US Bridges

SH-146/SEC-4/L2.45 over Boat Gunwale Slash

Good

Monroe County, Arkansas · 2.45 Miles East JCT SH 17 · Structure no. 000000000006976

Built
2005
20 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
123 ft
3 main spans
Daily traffic
170
2018 count
Owner
State
State Highway Agency

About this bridge

SH-146/SEC-4/L2.45 over Boat Gunwale Slash is a steel continuous stringer/multi-beam or girder carrying SH-146/SEC-4/L2.45 over Boat Gunwale Slash in Monroe 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 170 vehicles a day, roughly 15% of them trucks, projected to reach 212 by 2028. The structure is 123 ft (37.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSH-146/SEC-4/L2.45
CrossesBoat Gunwale Slash
Location2.45 Miles East JCT SH 17
RouteState Highway 146
Coordinates34.57475, -91.146
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2018)
Projected traffic212 by 2028
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 SH-146/SEC-4/L2.45 over Boat Gunwale Slash built?

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

What condition is SH-146/SEC-4/L2.45 over Boat Gunwale Slash 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 SH-146/SEC-4/L2.45 over Boat Gunwale Slash carry?

About 170 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is SH-146/SEC-4/L2.45 over Boat Gunwale Slash?

The structure is 123 ft (37.5 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns SH-146/SEC-4/L2.45 over Boat Gunwale Slash?

It is owned by the State Highway Agency.