US Bridges

210th Street over Stream

PoorPosted for load

Adams County, Iowa · 072323301 · Structure no. 000000000059620

Built
1957
68 years old
Condition
Poor
inspected January 2024
Type
Channel Beam
Concrete
Length
25 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

210th Street over Stream is a concrete channel beam carrying 210th Street over Stream in Adams County, Iowa. It was built in 1957, so it is 68 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 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. Its operating status is: posted for load restriction.

It carries about 11 vehicles a day, projected to reach 11 by 2044. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries210th Street
CrossesStream
Location072323301
RouteCounty Highway 0
CountyAdams County
StateIowa
Coordinates41.00013, -94.54023
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.8 US tons
Inventory rating22 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$317,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 210th Street over Stream built?

It was built in 1957, making it 68 years old in 2025.

What condition is 210th 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 January 2024.

How much traffic does 210th Street over Stream carry?

About 11 vehicles per day (2022 count).

How long is 210th Street over Stream?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns 210th Street over Stream?

It is owned by the County Highway Agency.