US Bridges

South 70th Street over Ditch City of Ft. Smith

Good

Sebastian County, Arkansas · 550 N of Phoenix Ave · Structure no. 000000000021777

Built
1996
29 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
3,800
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

South 70th Street over Ditch City of Ft. Smith is a concrete culvert carrying South 70th Street over Ditch City of Ft. Smith in Sebastian County, Arkansas. It was built in 1996, so it is 29 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 3,800 vehicles a day, roughly 1% of them trucks, projected to reach 3,061 by 2007. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSouth 70th Street
CrossesDitch City of Ft. Smith
Location550 N of Phoenix Ave
RouteCity Street 65221
Coordinates35.34839, -94.35554
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2018)
Projected traffic3,061 by 2007
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South 70th Street over Ditch City of Ft. Smith built?

It was built in 1996, making it 29 years old in 2025.

What condition is South 70th Street over Ditch City of Ft. Smith 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 August 2024.

How much traffic does South 70th Street over Ditch City of Ft. Smith carry?

About 3,800 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is South 70th Street over Ditch City of Ft. Smith?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns South 70th Street over Ditch City of Ft. Smith?

It is owned by the City or Municipal Highway Agency.