US Bridges

D Ave / N65 over Cedar Creek

Fair

Greene County, Iowa · 085322202 · Structure no. 000000000163370

Built
1955
70 years old, rebuilt 1999
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
107 ft
3 main spans
Daily traffic
338
2022 count
Owner
County
County Highway Agency

About this bridge

D Ave / N65 over Cedar Creek is a prestressed concrete stringer/multi-beam or girder carrying D Ave / N65 over Cedar Creek in Greene County, Iowa. It was built in 1955 and reconstructed in 1999, so it is 70 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 338 vehicles a day, roughly 24% of them trucks, projected to reach 338 by 2043. The structure is 107 ft (32.6 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesD Ave / N65
CrossesCedar Creek
Location085322202
RouteCounty Highway 0
CountyGreene County
StateIowa
Coordinates42.16086, -94.57114
Functional classRural Major Collector

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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating47.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length107 ft (32.6 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic338 (2022)
Projected traffic338 by 2043
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
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 D Ave / N65 over Cedar Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1999.

What condition is D Ave / N65 over Cedar 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 May 2024.

How much traffic does D Ave / N65 over Cedar Creek carry?

About 338 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is D Ave / N65 over Cedar Creek?

The structure is 107 ft (32.6 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns D Ave / N65 over Cedar Creek?

It is owned by the County Highway Agency.