US Bridges

Adeline RD over Drainage

Fair

Wapello County, Iowa · 072143607 · Structure no. 000000000503870

Built
1984
41 years old
Condition
Fair
inspected May 2022
Type
Culvert
Concrete Continuous
Length
56 ft
3 main spans
Daily traffic
118
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Adeline RD over Drainage is a concrete continuous culvert carrying Adeline RD over Drainage in Wapello County, Iowa. It was built in 1984, so it is 41 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 5 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 118 vehicles a day, projected to reach 118 by 2043. The structure is 56 ft (17.1 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAdeline RD
CrossesDrainage
Location072143607
RouteCity Street 0
CountyWapello County
StateIowa
Coordinates40.98849, -92.41176
Functional classUrban 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length56 ft (17.1 m)
Longest span17 ft (5.2 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic118 (2022)
Projected traffic118 by 2043
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Adeline RD over Drainage built?

It was built in 1984, making it 41 years old in 2025.

What condition is Adeline RD over Drainage 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 2022.

How much traffic does Adeline RD over Drainage carry?

About 118 vehicles per day (2022 count).

How long is Adeline RD over Drainage?

The structure is 56 ft (17.1 m) long with a longest span of 17 ft (5.2 m) and a deck 35 ft wide.

Who owns Adeline RD over Drainage?

It is owned by the City or Municipal Highway Agency.