US Bridges

Local over Middle Nodaway River

Good

Adair County, Iowa · 075330403 · Structure no. 000000000056241

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
3 main spans
Daily traffic
72
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Middle Nodaway River is a prestressed concrete stringer/multi-beam or girder carrying Local over Middle Nodaway River in Adair County, Iowa. It was built in 1998, so it is 27 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 72 vehicles a day, projected to reach 72 by 2043. The structure is 192 ft (58.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesMiddle Nodaway River
Location075330403
RouteCounty Highway 0
StateIowa
Coordinates41.32354, -94.65285
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.8 US tons
Inventory rating40.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length192 ft (58.5 m)
Longest span69 ft (21 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2022)
Projected traffic72 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Middle Nodaway River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Local over Middle Nodaway 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 April 2023.

How much traffic does Local over Middle Nodaway River carry?

About 72 vehicles per day (2022 count).

How long is Local over Middle Nodaway River?

The structure is 192 ft (58.5 m) long with a longest span of 69 ft (21 m) and a deck 27 ft wide.

Who owns Local over Middle Nodaway River?

It is owned by the County Highway Agency.