US Bridges

Devils Glen RD over Duck Creek

Fair

Scott County, Iowa · Bettendorf Ia · Structure no. 000000000000691

Built
1981
44 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
213 ft
3 main spans
Daily traffic
8,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Devils Glen RD over Duck Creek is a prestressed concrete stringer/multi-beam or girder carrying Devils Glen RD over Duck Creek in Scott County, Iowa. It was built in 1981, so it is 44 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,800 vehicles a day, projected to reach 8,800 by 2043. The structure is 213 ft (64.9 m) long and 66 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

Open in Google Maps
CarriesDevils Glen RD
CrossesDuck Creek
LocationBettendorf Ia
RouteCity Street 0
CountyScott County
StateIowa
Coordinates41.53273, -90.48323
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length213 ft (64.9 m)
Longest span81 ft (24.7 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2022)
Projected traffic8,800 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed4.3 mi (7 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Devils Glen RD over Duck Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Devils Glen RD over Duck Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Devils Glen RD over Duck Creek carry?

About 8,800 vehicles per day (2022 count).

How long is Devils Glen RD over Duck Creek?

The structure is 213 ft (64.9 m) long with a longest span of 81 ft (24.7 m) and a deck 66 ft wide.

Who owns Devils Glen RD over Duck Creek?

It is owned by the City or Municipal Highway Agency.