US Bridges

Local over Br Opossum Ck

PoorPosted for load

Benton County, Iowa · 084101102 · Structure no. 000000000071800

Built
1970
55 years old
Condition
Poor
inspected April 2024
Type
Channel Beam
Concrete
Length
26 ft
1 main span
Daily traffic
34
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Br Opossum Ck is a concrete channel beam carrying Local over Br Opossum Ck in Benton County, Iowa. It was built in 1970, so it is 55 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 other load-capacity restriction.

It carries about 34 vehicles a day, projected to reach 34 by 2044. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLocal
CrossesBr Opossum Ck
Location084101102
RouteCounty Highway 0
StateIowa
Coordinates42.09682, -91.99003
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.2 US tons
Inventory rating22.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2021)
Projected traffic34 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$455,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Br Opossum Ck built?

It was built in 1970, making it 55 years old in 2025.

What condition is Local over Br Opossum Ck 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 April 2024.

How much traffic does Local over Br Opossum Ck carry?

About 34 vehicles per day (2021 count).

How long is Local over Br Opossum Ck?

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

Who owns Local over Br Opossum Ck?

It is owned by the County Highway Agency.