US Bridges

Concord Ave over Drainage

Good

Plymouth County, Iowa · 092482102 · Structure no. 000000000275751

Built
2000
25 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Concord Ave over Drainage is a concrete culvert carrying Concord Ave over Drainage in Plymouth County, Iowa. It was built in 2000, so it is 25 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesConcord Ave
CrossesDrainage
Location092482102
RouteCounty Highway 0
StateIowa
Coordinates42.77091, -96.527
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$95,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Concord Ave over Drainage built?

It was built in 2000, making it 25 years old in 2025.

What condition is Concord Ave over Drainage 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 September 2023.

How much traffic does Concord Ave over Drainage carry?

About 26 vehicles per day (2022 count).

How long is Concord Ave over Drainage?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Concord Ave over Drainage?

It is owned by the County Highway Agency.