US Bridges

SH 51 S-1 Lm 19.86 over No. Boat Ditch

Fair

Clark County, Arkansas · .75 MI E JCT SH 51 & 53 · Structure no. 000000000005125

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
300 ft
1 main span
Daily traffic
314
2018 count
Owner
State
State Highway Agency

About this bridge

SH 51 S-1 Lm 19.86 over No. Boat Ditch is a steel stringer/multi-beam or girder carrying SH 51 S-1 Lm 19.86 over No. Boat Ditch in Clark County, Arkansas. It was built in 1973, so it is 52 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 314 vehicles a day, roughly 1% of them trucks, projected to reach 422 by 2028. The structure is 300 ft (91.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 51 S-1 Lm 19.86
CrossesNo. Boat Ditch
Location.75 MI E JCT SH 51 & 53
RouteState Highway 51
Coordinates34.0662, -93.22962
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+8 approach)
Design loadH 20
Structure length300 ft (91.4 m)
Longest span60 ft (18.3 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic314 (2018)
Projected traffic422 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 51 S-1 Lm 19.86 over No. Boat Ditch built?

It was built in 1973, making it 52 years old in 2025.

What condition is SH 51 S-1 Lm 19.86 over No. Boat Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does SH 51 S-1 Lm 19.86 over No. Boat Ditch carry?

About 314 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 51 S-1 Lm 19.86 over No. Boat Ditch?

The structure is 300 ft (91.4 m) long with a longest span of 60 ft (18.3 m) and a deck 32 ft wide.

Who owns SH 51 S-1 Lm 19.86 over No. Boat Ditch?

It is owned by the State Highway Agency.