243 ST over James Rv

Good

Sanborn County, South Dakota · 7.5E 2.0S Letcher · Structure no. 000000056171230

Built: 1985; 40 years old
Condition: Good; inspected July 2023
Type: Slab; Concrete Continuous
Length: 198 ft; 5 main spans
Daily traffic: 45; 2022 count
Owner: County; County Highway Agency

About this bridge

243 ST over James Rv is a concrete continuous slab carrying 243 ST over James Rv in Sanborn County, South Dakota. It was built in 1985, so it is 40 years old, younger than the South Dakota average of 48.9 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 45 vehicles a day, roughly 2% of them trucks, projected to reach 45 by 2032. The structure is 198 ft (60.4 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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Carries243 ST

CrossesJames Rv

Location7.5E 2.0S Letcher

RouteCounty Highway 0

CountySanborn County

StateSouth Dakota

Coordinates43.86526, -97.98822

Functional classRural Local

Condition and inspection

Good

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

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJuly 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is

Approach roadway alignment7: Better than present minimum criteria

Operating rating36 US tons

Inventory rating27 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans5

Design loadUnknown

Structure length198 ft (60.4 m)

Longest span43 ft (13.1 m)

Deck width31 ft (9.3 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)

Projected traffic45 by 2032

Trucks2%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed11.8 mi (19 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedRehabilitation because of general structure deterioration or inadequate strength

Estimated improvement cost$5,000

NavigationNo navigation control on waterway

Frequently asked questions

When was 243 ST over James Rv built?

It was built in 1985, making it 40 years old in 2025.

What condition is 243 ST over James Rv 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 July 2023.

How much traffic does 243 ST over James Rv carry?

About 45 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 243 ST over James Rv?

The structure is 198 ft (60.4 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns 243 ST over James Rv?

It is owned by the County Highway Agency.