US Bridges

Local over Bear Ck

PoorPosted for load

Benton County, Iowa · 086101405 · Structure no. 000000000073190

Built
1941
84 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
105 ft
2 main spans
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Bear Ck is a steel continuous stringer/multi-beam or girder carrying Local over Bear Ck in Benton County, Iowa. It was built in 1941, so it is 84 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 other load-capacity restriction.

It carries about 40 vehicles a day, projected to reach 40 by 2043. The structure is 105 ft (32 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesBear Ck
Location086101405
RouteCounty Highway 0
StateIowa
Coordinates42.26353, -91.98567
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity 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 rating34.7 US tons
Inventory rating20.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length105 ft (32 m)
Longest span51 ft (15.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2021)
Projected traffic40 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Bear Ck built?

It was built in 1941, making it 84 years old in 2025.

What condition is Local over Bear 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 2023.

How much traffic does Local over Bear Ck carry?

About 40 vehicles per day (2021 count).

How long is Local over Bear Ck?

The structure is 105 ft (32 m) long with a longest span of 51 ft (15.5 m) and a deck 20 ft wide.

Who owns Local over Bear Ck?

It is owned by the County Highway Agency.