US Bridges

Local Road over Coon Creek

Good

Winneshiek County, Iowa · 098071303 · Structure no. 000000000347341

Built
1992
33 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
44
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Coon Creek is a concrete continuous slab carrying Local Road over Coon Creek in Winneshiek County, Iowa. It was built in 1992, so it is 33 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 44 vehicles a day, projected to reach 44 by 2043. The structure is 128 ft (39 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesLocal Road
CrossesCoon Creek
Location098071303
RouteCounty Highway 0
StateIowa
Coordinates43.31151, -91.62058
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97 US tons
Inventory rating58.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2022)
Projected traffic44 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Local Road over Coon Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Local Road over Coon Creek 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 2023.

How much traffic does Local Road over Coon Creek carry?

About 44 vehicles per day (2022 count).

How long is Local Road over Coon Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 25 ft wide.

Who owns Local Road over Coon Creek?

It is owned by the County Highway Agency.