US Bridges

C Ave N.E. over Dry Creek

Fair

Linn County, Iowa · 084071510 · Structure no. 000000000221571

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
1,453
2022 count
Owner
County
County Highway Agency

About this bridge

C Ave N.E. over Dry Creek is a concrete continuous slab carrying C Ave N.E. over Dry Creek in Linn County, Iowa. It was built in 1992, so it is 33 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 1,453 vehicles a day, projected to reach 1,453 by 2044. The structure is 125 ft (38.1 m) long and 33 ft wide.

CarriesC Ave N.E.
CrossesDry Creek
Location084071510
RouteCounty Highway 0
StateIowa
Coordinates42.08514, -91.64498
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,453 (2022)
Projected traffic1,453 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 C Ave N.E. over Dry Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is C Ave N.E. over Dry 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 September 2024.

How much traffic does C Ave N.E. over Dry Creek carry?

About 1,453 vehicles per day (2022 count).

How long is C Ave N.E. over Dry Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns C Ave N.E. over Dry Creek?

It is owned by the County Highway Agency.