US Bridges

SH 206 Boone over Ditch

Fair

Boone County, Arkansas · 1.24 MI SE JCT of SH 43 a · Structure no. 0000000000X0167

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
30 ft
3 main spans
Daily traffic
680
2018 count
Owner
State
State Highway Agency

About this bridge

SH 206 Boone over Ditch is a concrete culvert carrying SH 206 Boone over Ditch in Boone County, Arkansas. It was built in 1969, so it is 56 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 680 vehicles a day, roughly 1% of them trucks, projected to reach 750 by 2028. The structure is 30 ft (9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH 206 Boone
CrossesDitch
Location1.24 MI SE JCT of SH 43 a
RouteState Highway 206
Coordinates36.18444, -93.17644
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length30 ft (9 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2018)
Projected traffic750 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 206 Boone over Ditch built?

It was built in 1969, making it 56 years old in 2025.

What condition is SH 206 Boone over 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 June 2024.

How much traffic does SH 206 Boone over Ditch carry?

About 680 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 206 Boone over Ditch?

The structure is 30 ft (9 m) long with a longest span of 9 ft (2.7 m).

Who owns SH 206 Boone over Ditch?

It is owned by the State Highway Agency.