US Bridges

Local over Middle Nodaway River

FairPosted for load

Adair County, Iowa · 074332402 · Structure no. 000000000055450

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
211 ft
1 main span
Daily traffic
82
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Middle Nodaway River is a steel truss - thru carrying Local over Middle Nodaway River in Adair County, Iowa. It was built in 1950, so it is 75 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 82 vehicles a day, projected to reach 82 by 2044. The structure is 211 ft (64.3 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLocal
CrossesMiddle Nodaway River
Location074332402
RouteCounty Highway 0
CountyAdair County
StateIowa
Coordinates41.19126, -94.60447
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26 US tons
Inventory rating18 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadH 15
Structure length211 ft (64.3 m)
Longest span125 ft (38.1 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic82 (2022)
Projected traffic82 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Local over Middle Nodaway River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Local over Middle Nodaway River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does Local over Middle Nodaway River carry?

About 82 vehicles per day (2022 count).

How long is Local over Middle Nodaway River?

The structure is 211 ft (64.3 m) long with a longest span of 125 ft (38.1 m) and a deck 21 ft wide.

Who owns Local over Middle Nodaway River?

It is owned by the County Highway Agency.