US Bridges

Shale Ave over N Chequest Lake Creek

Good

Davis County, Iowa · 070123002 · Structure no. 000000000135231

Built
2000
25 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

Shale Ave over N Chequest Lake Creek is a concrete continuous slab carrying Shale Ave over N Chequest Lake Creek in Davis County, Iowa. It was built in 2000, so it is 25 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 80 vehicles a day, projected to reach 80 by 2043. The structure is 112 ft (34.1 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesShale Ave
CrossesN Chequest Lake Creek
Location070123002
RouteCounty Highway 0
StateIowa
Coordinates40.8407, -92.2944
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.8 US tons
Inventory rating54.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2021)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Shale Ave over N Chequest Lake Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Shale Ave over N Chequest Lake 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 May 2023.

How much traffic does Shale Ave over N Chequest Lake Creek carry?

About 80 vehicles per day (2021 count).

How long is Shale Ave over N Chequest Lake Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns Shale Ave over N Chequest Lake Creek?

It is owned by the County Highway Agency.