US Bridges

Arsenal Isl RD over US 67 Mississippi River

Fair

Scott County, Iowa · 1.3 MI N of Rt Terminus · Structure no. 000000000047030

Built
1942
83 years old, rebuilt 1983
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
55 ft
1 main span
Daily traffic
7,600
2022 count
Owner
State
State Highway Agency

About this bridge

Arsenal Isl RD over US 67 Mississippi River is a steel stringer/multi-beam or girder carrying Arsenal Isl RD over US 67 Mississippi River in Scott County, Iowa. It was built in 1942 and reconstructed in 1983, so it is 83 years old, older 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 5 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 7,600 vehicles a day, projected to reach 7,600 by 2044. The structure is 55 ft (16.8 m) long and 46 ft wide.

CarriesArsenal Isl RD
CrossesUS 67 Mississippi River
Location1.3 MI N of Rt Terminus
RouteCity Street 0
StateIowa
Coordinates41.52097, -90.56814
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating45.5 US tons
Inventory rating27.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width46 ft (13.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deck11 ft (3.4 m)

Traffic and service

Average daily traffic7,600 (2022)
Projected traffic7,600 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Arsenal Isl RD over US 67 Mississippi River built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1983.

What condition is Arsenal Isl RD over US 67 Mississippi River 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 May 2024.

How much traffic does Arsenal Isl RD over US 67 Mississippi River carry?

About 7,600 vehicles per day (2022 count).

How long is Arsenal Isl RD over US 67 Mississippi River?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 46 ft wide.

Who owns Arsenal Isl RD over US 67 Mississippi River?

It is owned by the State Highway Agency.