US Bridges

Sheridan Ave over Drainage

Poor

Wapello County, Iowa · 072143601 · Structure no. 000000000009331

Built
1983
42 years old
Condition
Poor
inspected May 2022
Type
Culvert
Steel
Length
39 ft
2 main spans
Daily traffic
118
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sheridan Ave over Drainage is a steel culvert carrying Sheridan Ave over Drainage in Wapello County, Iowa. It was built in 1983, so it is 42 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 118 vehicles a day, projected to reach 118 by 2043. The structure is 39 ft (11.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSheridan Ave
CrossesDrainage
Location072143601
RouteCity Street 0
StateIowa
Coordinates40.98951, -92.41866
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length39 ft (11.9 m)
Longest span18 ft (5.5 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sheridan Ave over Drainage built?

It was built in 1983, making it 42 years old in 2025.

What condition is Sheridan Ave over Drainage in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2022.

How much traffic does Sheridan Ave over Drainage carry?

About 118 vehicles per day (2022 count).

How long is Sheridan Ave over Drainage?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.5 m) and a deck 33 ft wide.

Who owns Sheridan Ave over Drainage?

It is owned by the City or Municipal Highway Agency.