US Bridges

Local-Dead End over Skunk River

PoorClosed to traffic

Story County, Iowa · 083242405 · Structure no. 000000000314920

Built
1876
149 years old, rebuilt 1974
Condition
Poor
inspected December 2022
Type
Truss - Thru
Steel
Length
163 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local-Dead End over Skunk River is a steel truss - thru carrying Local-Dead End over Skunk River in Story County, Iowa. It was built in 1876 and reconstructed in 1974, so it is 149 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 0 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: closed to all traffic.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 163 ft (49.7 m) long and 16 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesLocal-Dead End
CrossesSkunk River
Location083242405
RouteCounty Highway 0
StateIowa
Coordinates41.98659, -93.58761
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
Deck0 FailedOut of service and beyond corrective action.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Channel and channel protection0 FailedOut of service and beyond corrective action.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment0: Immediate repair necessary to put back in service
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+1 approach)
Design loadUnknown
Structure length163 ft (49.7 m)
Longest span80 ft (24.4 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck14 ft (4.1 m)

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local-Dead End over Skunk River built?

It was built in 1876, making it 149 years old in 2025. It was reconstructed in 1974.

What condition is Local-Dead End over Skunk River 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 December 2022.

How much traffic does Local-Dead End over Skunk River carry?

About 11 vehicles per day (2022 count).

How long is Local-Dead End over Skunk River?

The structure is 163 ft (49.7 m) long with a longest span of 80 ft (24.4 m) and a deck 16 ft wide.

Who owns Local-Dead End over Skunk River?

It is owned by the County Highway Agency.