US Bridges

Hickory Ave over Cedar River

GoodPosted for load

Mitchell County, Iowa · 098170806 · Structure no. 000000000036600

Built
1959
66 years old, rebuilt 2017
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
376 ft
5 main spans
Daily traffic
403
2022 count
Owner
County
County Highway Agency

About this bridge

Hickory Ave over Cedar River is a steel continuous stringer/multi-beam or girder carrying Hickory Ave over Cedar River in Mitchell County, Iowa. It was built in 1959 and reconstructed in 2017, so it is 66 years old, older 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. Its operating status is: posted for load restriction.

It carries about 403 vehicles a day, roughly 14% of them trucks, projected to reach 403 by 2042. The structure is 376 ft (114.6 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesHickory Ave
CrossesCedar River
Location098170806
RouteCounty Highway 0
CountyMitchell County
StateIowa
Coordinates43.31706, -92.87968
Functional classRural Major 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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.6 US tons
Inventory rating21.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length376 ft (114.6 m)
Longest span82 ft (25 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic403 (2022)
Projected traffic403 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hickory Ave over Cedar River built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2017.

What condition is Hickory Ave over 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 December 2023.

How much traffic does Hickory Ave over Cedar River carry?

About 403 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Hickory Ave over Cedar River?

The structure is 376 ft (114.6 m) long with a longest span of 82 ft (25 m) and a deck 34 ft wide.

Who owns Hickory Ave over Cedar River?

It is owned by the County Highway Agency.