US Bridges

Copi RD over Clear Creek

Good

Johnson County, Iowa · SE1/4 of 30 T-80N R7W · Structure no. 000000000205051

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Slab
Wood or Timber
Length
103 ft
5 main spans
Daily traffic
42
2021 count
Owner
County
County Highway Agency

About this bridge

Copi RD over Clear Creek is a wood or timber slab carrying Copi RD over Clear Creek in Johnson County, Iowa. It was built in 2015, so it is 10 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 42 vehicles a day, projected to reach 42 by 2043. The structure is 103 ft (31.4 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCopi RD
CrossesClear Creek
LocationSE1/4 of 30 T-80N R7W
RouteCounty Highway 0
StateIowa
Coordinates41.70413, -91.70273
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60.8 US tons
Inventory rating43.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans5
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span24 ft (7.3 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2021)
Projected traffic42 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Copi RD over Clear Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Copi RD 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 May 2023.

How much traffic does Copi RD over Clear Creek carry?

About 42 vehicles per day (2021 count).

How long is Copi RD over Clear Creek?

The structure is 103 ft (31.4 m) long with a longest span of 24 ft (7.3 m) and a deck 25 ft wide.

Who owns Copi RD over Clear Creek?

It is owned by the County Highway Agency.