US Bridges

210th ST over Little Bear Creek

Good

Iowa County, Iowa · 080123301 · Structure no. 000000000363711

Built
2001
24 years old
Condition
Good
inspected March 2022
Type
Tee Beam
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

210th ST over Little Bear Creek is a prestressed concrete tee beam carrying 210th ST over Little Bear Creek in Iowa County, Iowa. It was built in 2001, so it is 24 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 71 vehicles a day, projected to reach 71 by 2043. The structure is 69 ft (21 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Carries210th ST
CrossesLittle Bear Creek
Location080123301
RouteCounty Highway 0
StateIowa
Coordinates41.70311, -92.2601
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span65 ft (19.8 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 210th ST over Little Bear Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is 210th ST over Little Bear 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 2022.

How much traffic does 210th ST over Little Bear Creek carry?

About 71 vehicles per day (2022 count).

How long is 210th ST over Little Bear Creek?

The structure is 69 ft (21 m) long with a longest span of 65 ft (19.8 m) and a deck 27 ft wide.

Who owns 210th ST over Little Bear Creek?

It is owned by the County Highway Agency.