US Bridges

Lark Ave over Spring Creek

Good

Franklin County, Iowa · 92212502 · Structure no. 000000000157861

Built
2015
10 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
80 ft
3 main spans
Daily traffic
91
2022 count
Owner
County
County Highway Agency

About this bridge

Lark Ave over Spring Creek is a concrete continuous slab carrying Lark Ave over Spring Creek in Franklin County, Iowa. It was built in 2015, so it is 10 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 91 vehicles a day, projected to reach 91 by 2044. The structure is 80 ft (24.4 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLark Ave
CrossesSpring Creek
Location92212502
RouteCounty Highway 0
StateIowa
Coordinates42.75361, -93.28141
Functional classRural 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 inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length80 ft (24.4 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2022)
Projected traffic91 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lark Ave over Spring Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Lark Ave over Spring 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 June 2024.

How much traffic does Lark Ave over Spring Creek carry?

About 91 vehicles per day (2022 count).

How long is Lark Ave over Spring Creek?

The structure is 80 ft (24.4 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns Lark Ave over Spring Creek?

It is owned by the County Highway Agency.