US Bridges

F46 310th ST over Br Wapsinonoc Creek

Good

Cedar County, Iowa · 079042301 · Structure no. 000000000102231

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

F46 310th ST over Br Wapsinonoc Creek is a concrete continuous slab carrying F46 310th ST over Br Wapsinonoc Creek in Cedar County, Iowa. It was built in 2020, so it is 5 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 91 ft (27.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesF46 310th ST
CrossesBr Wapsinonoc Creek
Location079042301
RouteCounty Highway 0
CountyCedar County
StateIowa
Coordinates41.64165, -91.27336
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span35 ft (10.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 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 closed3.1 mi (5 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 F46 310th ST over Br Wapsinonoc Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is F46 310th ST over Br Wapsinonoc 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 F46 310th ST over Br Wapsinonoc Creek carry?

About 80 vehicles per day (2021 count).

How long is F46 310th ST over Br Wapsinonoc Creek?

The structure is 91 ft (27.7 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.

Who owns F46 310th ST over Br Wapsinonoc Creek?

It is owned by the County Highway Agency.