US Bridges

Olive ST over Troublesome Creek

Fair

Cass County, Iowa · 000000000 · Structure no. 000000000000490

Built
1968
57 years old, rebuilt 2006
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
207 ft
3 main spans
Daily traffic
1,442
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Olive ST over Troublesome Creek is a prestressed concrete stringer/multi-beam or girder carrying Olive ST over Troublesome Creek in Cass County, Iowa. It was built in 1968 and reconstructed in 2006, so it is 57 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,442 vehicles a day, roughly 13% of them trucks, projected to reach 1,442 by 2044. The structure is 207 ft (63.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOlive ST
CrossesTroublesome Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates41.41167, -95.00331
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum 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 rating62.8 US tons
Inventory rating27.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length207 ft (63.1 m)
Longest span69 ft (21 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,442 (2022)
Projected traffic1,442 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Olive ST over Troublesome Creek built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2006.

What condition is Olive ST over Troublesome Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Olive ST over Troublesome Creek carry?

About 1,442 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Olive ST over Troublesome Creek?

The structure is 207 ft (63.1 m) long with a longest span of 69 ft (21 m) and a deck 30 ft wide.

Who owns Olive ST over Troublesome Creek?

It is owned by the City or Municipal Highway Agency.