US Bridges

210 TH over Hardin Creek

Good

Greene County, Iowa · 084303201 · Structure no. 000000000162601

Built
2002
23 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
72
2022 count
Owner
County
County Highway Agency

About this bridge

210 TH over Hardin Creek is a concrete continuous slab carrying 210 TH over Hardin Creek in Greene County, Iowa. It was built in 2002, so it is 23 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 72 vehicles a day, projected to reach 72 by 2044. The structure is 91 ft (27.7 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries210 TH
CrossesHardin Creek
Location084303201
RouteCounty Highway 0
StateIowa
Coordinates42.04913, -94.37049
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating49.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2022)
Projected traffic72 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 210 TH over Hardin Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is 210 TH over Hardin 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 June 2024.

How much traffic does 210 TH over Hardin Creek carry?

About 72 vehicles per day (2022 count).

How long is 210 TH over Hardin Creek?

The structure is 91 ft (27.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns 210 TH over Hardin Creek?

It is owned by the County Highway Agency.