US Bridges

110th Street over Stream

PoorPosted for load

Adams County, Iowa · 073341201 · Structure no. 000000000060780

Built
1955
70 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

110th Street over Stream is a concrete slab carrying 110th Street over Stream in Adams County, Iowa. It was built in 1955, so it is 70 years old, older 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 3 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 26 ft (7.9 m) long and 23 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
Carries110th Street
CrossesStream
Location073341201
RouteCounty Highway 0
CountyAdams County
StateIowa
Coordinates41.14408, -94.71368
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.6 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$323,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 110th Street over Stream built?

It was built in 1955, making it 70 years old in 2025.

What condition is 110th Street over Stream 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 February 2024.

How much traffic does 110th Street over Stream carry?

About 30 vehicles per day (2023 count).

How long is 110th Street over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns 110th Street over Stream?

It is owned by the County Highway Agency.