US Bridges

X71 Clear Creek RD over Creek

Good

Dubuque County, Iowa · 090021303 · Structure no. 000000000148301

Built
2018
7 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
167
2022 count
Owner
County
County Highway Agency

About this bridge

X71 Clear Creek RD over Creek is a concrete continuous slab carrying X71 Clear Creek RD over Creek in Dubuque County, Iowa. It was built in 2018, so it is 7 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 167 vehicles a day, roughly 21% of them trucks, projected to reach 167 by 2043. The structure is 73 ft (22.3 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesX71 Clear Creek RD
CrossesCreek
Location090021303
RouteCounty Highway 0
StateIowa
Coordinates42.61589, -91.03116
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 inspectionNovember 2022
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length73 ft (22.3 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic167 (2022)
Projected traffic167 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 X71 Clear Creek RD over Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is X71 Clear Creek RD over 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 November 2022.

How much traffic does X71 Clear Creek RD over Creek carry?

About 167 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is X71 Clear Creek RD over Creek?

The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns X71 Clear Creek RD over Creek?

It is owned by the County Highway Agency.