US Bridges

FAS 6159/OTUMWA RD over Mitchell Ck

Fair

Haakon County, South Dakota · 2.5 S of Ottumwa · Structure no. 000000028330379

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
71 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 6159/OTUMWA RD over Mitchell Ck is a concrete continuous slab carrying FAS 6159/OTUMWA RD over Mitchell Ck in Haakon County, South Dakota. It was built in 1960, so it is 65 years old, older than the South Dakota average of 48.9 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 26 vehicles a day, roughly 3% of them trucks, projected to reach 26 by 2032. The structure is 71 ft (21.7 m) long and 30 ft wide.

CarriesFAS 6159/OTUMWA RD
CrossesMitchell Ck
Location2.5 S of Ottumwa
RouteCounty Highway 0
Coordinates44.19769, -101.34709
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.6 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length71 ft (21.7 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 6159/OTUMWA RD over Mitchell Ck built?

It was built in 1960, making it 65 years old in 2025.

What condition is FAS 6159/OTUMWA RD over Mitchell Ck 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 September 2024.

How much traffic does FAS 6159/OTUMWA RD over Mitchell Ck carry?

About 26 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is FAS 6159/OTUMWA RD over Mitchell Ck?

The structure is 71 ft (21.7 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns FAS 6159/OTUMWA RD over Mitchell Ck?

It is owned by the County Highway Agency.