US Bridges

Ia 92 over Clark Br of W Nodaway R

Good

Adair County, Iowa · 3.8 Mi. E. of Jct. Ia 148 · Structure no. 000000000013001

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
920
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 92 over Clark Br of W Nodaway R is a prestressed concrete stringer/multi-beam or girder carrying Ia 92 over Clark Br of W Nodaway R in Adair County, Iowa. It was built in 2010, so it is 15 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 920 vehicles a day, roughly 21% of them trucks, projected to reach 920 by 2043. The structure is 172 ft (52.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 92
CrossesClark Br of W Nodaway R
Location3.8 Mi. E. of Jct. Ia 148
RouteState Highway 92
CountyAdair County
StateIowa
Coordinates41.25865, -94.68524
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length172 ft (52.5 m)
Longest span65 ft (19.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2022)
Projected traffic920 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 92 over Clark Br of W Nodaway R built?

It was built in 2010, making it 15 years old in 2025.

What condition is Ia 92 over Clark Br of W Nodaway R 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 February 2023.

How much traffic does Ia 92 over Clark Br of W Nodaway R carry?

About 920 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Ia 92 over Clark Br of W Nodaway R?

The structure is 172 ft (52.5 m) long with a longest span of 65 ft (19.8 m) and a deck 43 ft wide.

Who owns Ia 92 over Clark Br of W Nodaway R?

It is owned by the State Highway Agency.