US Bridges

Ia 210 over South Skunk River

Good

Story County, Iowa · 1.2 Miles E of SR R70 · Structure no. 000000000049031

Built
1988
37 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
340 ft
4 main spans
Daily traffic
1,920
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 210 over South Skunk River is a prestressed concrete stringer/multi-beam or girder carrying Ia 210 over South Skunk River in Story County, Iowa. It was built in 1988, so it is 37 years old, younger than the Iowa average of 45.5 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 1,920 vehicles a day, roughly 5% of them trucks, projected to reach 1,920 by 2044. The structure is 340 ft (103.6 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIa 210
CrossesSouth Skunk River
Location1.2 Miles E of SR R70
RouteState Highway 210
StateIowa
Coordinates41.87765, -93.50831
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating49.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span97 ft (29.6 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,920 (2022)
Projected traffic1,920 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 210 over South Skunk River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ia 210 over South Skunk River 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 November 2024.

How much traffic does Ia 210 over South Skunk River carry?

About 1,920 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ia 210 over South Skunk River?

The structure is 340 ft (103.6 m) long with a longest span of 97 ft (29.6 m) and a deck 39 ft wide.

Who owns Ia 210 over South Skunk River?

It is owned by the State Highway Agency.