US Bridges

Local over Mccabdless Cleghorn Dd

Fair

Monona County, Iowa · 085462302 · Structure no. 000000000251611

Built
2004
21 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Mccabdless Cleghorn Dd is a prestressed concrete tee beam carrying Local over Mccabdless Cleghorn Dd in Monona County, Iowa. It was built in 2004, so it is 21 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 34 vehicles a day, projected to reach 34 by 2043. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal
CrossesMccabdless Cleghorn Dd
Location085462302
RouteCounty Highway 0
CountyMonona County
StateIowa
Coordinates42.16238, -96.17471
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.9 US tons
Inventory rating30 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 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$30,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Mccabdless Cleghorn Dd built?

It was built in 2004, making it 21 years old in 2025.

What condition is Local over Mccabdless Cleghorn Dd 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 2023.

How much traffic does Local over Mccabdless Cleghorn Dd carry?

About 34 vehicles per day (2022 count).

How long is Local over Mccabdless Cleghorn Dd?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 25 ft wide.

Who owns Local over Mccabdless Cleghorn Dd?

It is owned by the County Highway Agency.