US Bridges

SE 16th ST over Skunk River

Good

Story County, Iowa · A11700795 · Structure no. 000000000314860

Built
2007
18 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
277 ft
3 main spans
Daily traffic
4,878
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

SE 16th ST over Skunk River is a prestressed concrete stringer/multi-beam or girder carrying SE 16th ST over Skunk River in Story County, Iowa. It was built in 2007, so it is 18 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 4,878 vehicles a day, projected to reach 4,878 by 2043. The structure is 277 ft (84.4 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSE 16th ST
CrossesSkunk River
LocationA11700795
RouteCity Street 0
CountyStory County
StateIowa
Coordinates42.00828, -93.59574
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length277 ft (84.4 m)
Longest span112 ft (34.1 m)
Deck width52 ft (15.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,878 (2022)
Projected traffic4,878 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 SE 16th ST over Skunk River built?

It was built in 2007, making it 18 years old in 2025.

What condition is SE 16th ST over 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 April 2024.

How much traffic does SE 16th ST over Skunk River carry?

About 4,878 vehicles per day (2022 count).

How long is SE 16th ST over Skunk River?

The structure is 277 ft (84.4 m) long with a longest span of 112 ft (34.1 m) and a deck 52 ft wide.

Who owns SE 16th ST over Skunk River?

It is owned by the City or Municipal Highway Agency.