US Bridges

Shadow Ave over Little Cedar River

Good

Mitchell County, Iowa · 098160106 · Structure no. 000000000247821

Built
1995
30 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
3 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

Shadow Ave over Little Cedar River is a prestressed concrete stringer/multi-beam or girder carrying Shadow Ave over Little Cedar River in Mitchell County, Iowa. It was built in 1995, so it is 30 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 49 vehicles a day, projected to reach 49 by 2044. The structure is 192 ft (58.5 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesShadow Ave
CrossesLittle Cedar River
Location098160106
RouteCounty Highway 0
StateIowa
Coordinates43.33912, -92.67784
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span69 ft (21 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shadow Ave over Little Cedar River built?

It was built in 1995, making it 30 years old in 2025.

What condition is Shadow Ave over Little Cedar 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 January 2024.

How much traffic does Shadow Ave over Little Cedar River carry?

About 49 vehicles per day (2022 count).

How long is Shadow Ave over Little Cedar River?

The structure is 192 ft (58.5 m) long with a longest span of 69 ft (21 m) and a deck 33 ft wide.

Who owns Shadow Ave over Little Cedar River?

It is owned by the County Highway Agency.