US Bridges

Earhart Lane SW over Hoosier Creek

Good

Linn County, Iowa · 082072804 · Structure no. 000000000505745

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
—
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Earhart Lane SW over Hoosier Creek is a concrete continuous slab carrying Earhart Lane SW over Hoosier Creek in Linn County, Iowa. It was built in 2023, so it is 2 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.

No traffic count is recorded. The structure is 101 ft (30.8 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEarhart Lane SW
CrossesHoosier Creek
Location082072804
RouteCity Street 0
StateIowa
Coordinates41.8768, -91.66612
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span39 ft (11.9 m)
Deck width42 ft (12.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Earhart Lane SW over Hoosier Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Earhart Lane SW over Hoosier 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 July 2024.

How much traffic does Earhart Lane SW over Hoosier Creek carry?

No traffic count is recorded for this structure.

How long is Earhart Lane SW over Hoosier Creek?

The structure is 101 ft (30.8 m) long with a longest span of 39 ft (11.9 m) and a deck 42 ft wide.

Who owns Earhart Lane SW over Hoosier Creek?

It is owned by the City or Municipal Highway Agency.