US Bridges

Ivanhoe ST over River

FairPosted for load

Bremer County, Iowa · 091130904 · Structure no. 000000000078860

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
59
2022 count
Owner
County
County Highway Agency

About this bridge

Ivanhoe ST over River is a concrete continuous slab carrying Ivanhoe ST over River in Bremer County, Iowa. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.

It carries about 59 vehicles a day, projected to reach 59 by 2043. The structure is 101 ft (30.8 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIvanhoe ST
CrossesRiver
Location091130904
RouteCounty Highway 0
CountyBremer County
StateIowa
Coordinates42.70145, -92.39215
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31 US tons
Inventory rating17.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length101 ft (30.8 m)
Longest span39 ft (11.9 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59 (2022)
Projected traffic59 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ivanhoe ST over River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Ivanhoe ST over River 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 April 2023.

How much traffic does Ivanhoe ST over River carry?

About 59 vehicles per day (2022 count).

How long is Ivanhoe ST over River?

The structure is 101 ft (30.8 m) long with a longest span of 39 ft (11.9 m) and a deck 22 ft wide.

Who owns Ivanhoe ST over River?

It is owned by the County Highway Agency.