US Bridges

N16 Olive ST over Branch of Buck Creek

Good

Cass County, Iowa · 077360902 · Structure no. 000000000100951

Built
2021
4 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
1,524
2022 count
Owner
County
County Highway Agency

About this bridge

N16 Olive ST over Branch of Buck Creek is a prestressed concrete stringer/multi-beam or girder carrying N16 Olive ST over Branch of Buck Creek in Cass County, Iowa. It was built in 2021, so it is 4 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 1,524 vehicles a day, roughly 13% of them trucks, projected to reach 1,524 by 2044. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN16 Olive ST
CrossesBranch of Buck Creek
Location077360902
RouteCounty Highway 0
StateIowa
Coordinates41.4829, -95.00364
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length113 ft (34.4 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,524 (2022)
Projected traffic1,524 by 2044
Trucks13%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N16 Olive ST over Branch of Buck Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is N16 Olive ST over Branch of Buck 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 February 2024.

How much traffic does N16 Olive ST over Branch of Buck Creek carry?

About 1,524 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is N16 Olive ST over Branch of Buck Creek?

The structure is 113 ft (34.4 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns N16 Olive ST over Branch of Buck Creek?

It is owned by the County Highway Agency.