US Bridges

210th Street over Plum Creek

Good

Delaware County, Iowa · 089033101 · Structure no. 000000000023401

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
962
2022 count
Owner
County
County Highway Agency

About this bridge

210th Street over Plum Creek is a concrete continuous slab carrying 210th Street over Plum Creek in Delaware County, Iowa. It was built in 2004, so it is 21 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 962 vehicles a day, projected to reach 962 by 2044. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Carries210th Street
CrossesPlum Creek
Location089033101
RouteCounty Highway 0
StateIowa
Coordinates42.48557, -91.25095
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating97.6 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 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 traffic962 (2022)
Projected traffic962 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 210th Street over Plum Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is 210th Street over Plum Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does 210th Street over Plum Creek carry?

About 962 vehicles per day (2022 count).

How long is 210th Street over Plum Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns 210th Street over Plum Creek?

It is owned by the County Highway Agency.