US Bridges

N16 610th ST over Bear Branch of Turkey CR

Good

Cass County, Iowa · 075360806 · Structure no. 000000000098471

Built
2022
3 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
51
2023 count
Owner
County
County Highway Agency

About this bridge

N16 610th ST over Bear Branch of Turkey CR is a concrete continuous culvert carrying N16 610th ST over Bear Branch of Turkey CR in Cass County, Iowa. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 51 vehicles a day, projected to reach 51 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN16 610th ST
CrossesBear Branch of Turkey CR
Location075360806
RouteCounty Highway 0
CountyCass County
StateIowa
Coordinates41.3115, -95.01819
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2023)
Projected traffic51 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N16 610th ST over Bear Branch of Turkey CR built?

It was built in 2022, making it 3 years old in 2025.

What condition is N16 610th ST over Bear Branch of Turkey CR 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 2023.

How much traffic does N16 610th ST over Bear Branch of Turkey CR carry?

About 51 vehicles per day (2023 count).

How long is N16 610th ST over Bear Branch of Turkey CR?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns N16 610th ST over Bear Branch of Turkey CR?

It is owned by the County Highway Agency.