US Bridges

Front ST over Clear Creek

Good

Allamakee County, Iowa · 000000000 · Structure no. 000000000007111

Built
1985
40 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
2,418
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Front ST over Clear Creek is a concrete continuous slab carrying Front ST over Clear Creek in Allamakee County, Iowa. It was built in 1985, so it is 40 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,418 vehicles a day, projected to reach 2,418 by 2044. The structure is 112 ft (34.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFront ST
CrossesClear Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates43.3593, -91.21317
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.6 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width39 ft (11.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,418 (2022)
Projected traffic2,418 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Front ST over Clear Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Front ST over Clear 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 April 2024.

How much traffic does Front ST over Clear Creek carry?

About 2,418 vehicles per day (2022 count).

How long is Front ST over Clear Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 39 ft wide.

Who owns Front ST over Clear Creek?

It is owned by the City or Municipal Highway Agency.