US Bridges

L48 J Ave over Bear Creek

Good

Cherokee County, Iowa · 093413402 · Structure no. 000000000109891

Built
2017
8 years old
Condition
Good
inspected August 2021
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
489
2022 count
Owner
County
County Highway Agency

About this bridge

L48 J Ave over Bear Creek is a concrete continuous culvert carrying L48 J Ave over Bear Creek in Cherokee County, Iowa. It was built in 2017, so it is 8 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 489 vehicles a day, roughly 24% of them trucks, projected to reach 489 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesL48 J Ave
CrossesBear Creek
Location093413402
RouteCounty Highway 0
StateIowa
Coordinates42.8341, -95.68161
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic489 (2022)
Projected traffic489 by 2043
Trucks24%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was L48 J Ave over Bear Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is L48 J Ave over Bear Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2021.

How much traffic does L48 J Ave over Bear Creek carry?

About 489 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is L48 J Ave over Bear Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns L48 J Ave over Bear Creek?

It is owned by the County Highway Agency.