US Bridges

269 Street over Eagle Nest Ck

PoorPosted for load

Jackson County, South Dakota · 4S & 2.4W Wanblee · Structure no. 000000036216340

Built
1945
80 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
21 ft
1 main span
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

269 Street over Eagle Nest Ck is a wood or timber stringer/multi-beam or girder carrying 269 Street over Eagle Nest Ck in Jackson County, South Dakota. It was built in 1945, so it is 80 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 2% of them trucks, projected to reach 15 by 2032. The structure is 21 ft (6.4 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries269 Street
CrossesEagle Nest Ck
Location4S & 2.4W Wanblee
RouteCounty Highway 0
Coordinates43.5054, -101.70902
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27 US tons
Inventory rating19.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$115,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 269 Street over Eagle Nest Ck built?

It was built in 1945, making it 80 years old in 2025.

What condition is 269 Street over Eagle Nest Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does 269 Street over Eagle Nest Ck carry?

About 15 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is 269 Street over Eagle Nest Ck?

The structure is 21 ft (6.4 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns 269 Street over Eagle Nest Ck?

It is owned by the County Highway Agency.