US Bridges

X71 Clear Creek RD over Stream

Good

Dubuque County, Iowa · 090021404 · Structure no. 000000000148311

Built
2024
1 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
52 ft
1 main span
Daily traffic
170
2022 count
Owner
County
County Highway Agency

About this bridge

X71 Clear Creek RD over Stream is a concrete slab carrying X71 Clear Creek RD over Stream in Dubuque County, Iowa. It was built in 2024, so it is 1 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 170 vehicles a day, roughly 21% of them trucks, projected to reach 170 by 2044. The structure is 52 ft (15.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesX71 Clear Creek RD
CrossesStream
Location090021404
RouteCounty Highway 0
StateIowa
Coordinates42.6105, -91.05296
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 2024
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 alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length52 ft (15.9 m)
Longest span48 ft (14.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2022)
Projected traffic170 by 2044
Trucks21%
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 X71 Clear Creek RD over Stream built?

It was built in 2024, making it 1 years old in 2025.

What condition is X71 Clear Creek RD over Stream 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 2024.

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

About 170 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is X71 Clear Creek RD over Stream?

The structure is 52 ft (15.9 m) long with a longest span of 48 ft (14.6 m) and a deck 33 ft wide.

Who owns X71 Clear Creek RD over Stream?

It is owned by the County Highway Agency.