US Bridges

Middle RD over Crow Creek

Good

Scott County, Iowa · Bettendorf Ia · Structure no. 000000000000662

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
9,372
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Middle RD over Crow Creek is a prestressed concrete stringer/multi-beam or girder carrying Middle RD over Crow Creek in Scott County, Iowa. It was built in 2008, so it is 17 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 9,372 vehicles a day, projected to reach 9,372 by 2043. The structure is 212 ft (64.7 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMiddle RD
CrossesCrow Creek
LocationBettendorf Ia
RouteCity Street 0
StateIowa
Coordinates41.5625, -90.46676
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.8 US tons
Inventory rating54.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length212 ft (64.7 m)
Longest span75 ft (22.9 m)
Deck width73 ft (22.3 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,372 (2023)
Projected traffic9,372 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Middle RD over Crow Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Middle RD over Crow 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 July 2023.

How much traffic does Middle RD over Crow Creek carry?

About 9,372 vehicles per day (2023 count).

How long is Middle RD over Crow Creek?

The structure is 212 ft (64.7 m) long with a longest span of 75 ft (22.9 m) and a deck 73 ft wide.

Who owns Middle RD over Crow Creek?

It is owned by the City or Municipal Highway Agency.