US Bridges

E Olive ST over Anson Creek

Fair

Marshall County, Iowa · 083180201 · Structure no. 000000000007770

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
2,517
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Olive ST over Anson Creek is a concrete continuous culvert carrying E Olive ST over Anson Creek in Marshall County, Iowa. It was built in 1967, so it is 58 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 5 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 2,517 vehicles a day, projected to reach 2,517 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesE Olive ST
CrossesAnson Creek
Location083180201
RouteCity Street 0
CountyMarshall County
StateIowa
Coordinates42.02838, -92.90181
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 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 traffic2,517 (2022)
Projected traffic2,517 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$17,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E Olive ST over Anson Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is E Olive ST over Anson 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 July 2023.

How much traffic does E Olive ST over Anson Creek carry?

About 2,517 vehicles per day (2022 count).

How long is E Olive ST over Anson Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns E Olive ST over Anson Creek?

It is owned by the City or Municipal Highway Agency.