US Bridges

Ia 9 over Dry Run Creek

Fair

Winneshiek County, Iowa · 0.1 Mi. W of Jct. Ia 52 · Structure no. 000000000052580

Built
1945
80 years old, rebuilt 1975
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
244 ft
3 main spans
Daily traffic
3,880
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 9 over Dry Run Creek is a steel continuous stringer/multi-beam or girder carrying Ia 9 over Dry Run Creek in Winneshiek County, Iowa. It was built in 1945 and reconstructed in 1975, so it is 80 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 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 3,880 vehicles a day, roughly 11% of them trucks, projected to reach 3,880 by 2044. The structure is 244 ft (74.4 m) long and 48 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesIa 9
CrossesDry Run Creek
Location0.1 Mi. W of Jct. Ia 52
RouteState Highway 9
StateIowa
Coordinates43.29143, -91.8101
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length244 ft (74.4 m)
Longest span94 ft (28.7 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,880 (2022)
Projected traffic3,880 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 km)
TollOn a free road
National Highway SystemYes

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 Ia 9 over Dry Run Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1975.

What condition is Ia 9 over Dry Run 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 October 2024.

How much traffic does Ia 9 over Dry Run Creek carry?

About 3,880 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Ia 9 over Dry Run Creek?

The structure is 244 ft (74.4 m) long with a longest span of 94 ft (28.7 m) and a deck 48 ft wide.

Who owns Ia 9 over Dry Run Creek?

It is owned by the State Highway Agency.