US Bridges

205 Ave over Spring Creek

Fair

Delaware County, Iowa · 089053504 · Structure no. 000000000023341

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
295
2022 count
Owner
County
County Highway Agency

About this bridge

205 Ave over Spring Creek is a concrete continuous slab carrying 205 Ave over Spring Creek in Delaware County, Iowa. It was built in 1975, so it is 50 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 295 vehicles a day, roughly 25% of them trucks, projected to reach 295 by 2044. The structure is 103 ft (31.4 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries205 Ave
CrossesSpring Creek
Location089053504
RouteCounty Highway 0
CountyDelaware County
StateIowa
Coordinates42.47215, -91.40086
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2022)
Projected traffic295 by 2044
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 205 Ave over Spring Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is 205 Ave over Spring 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 June 2024.

How much traffic does 205 Ave over Spring Creek carry?

About 295 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is 205 Ave over Spring Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns 205 Ave over Spring Creek?

It is owned by the County Highway Agency.