US Bridges

10th Ave over N Fork Buffalo Creek

Fair

Winnebago County, Iowa · 098260502 · Structure no. 000000000344660

Built
2001
24 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
279
2022 count
Owner
County
County Highway Agency

About this bridge

10th Ave over N Fork Buffalo Creek is a concrete continuous slab carrying 10th Ave over N Fork Buffalo Creek in Winnebago County, Iowa. It was built in 2001, so it is 24 years old, younger 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 279 vehicles a day, roughly 9% of them trucks, projected to reach 279 by 2043. The structure is 104 ft (31.7 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries10th Ave
CrossesN Fork Buffalo Creek
Location098260502
RouteCounty Highway 0
CountyWinnebago County
StateIowa
Coordinates43.32841, -93.95161
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.6 US tons
Inventory rating53.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic279 (2022)
Projected traffic279 by 2043
Trucks9%
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 10th Ave over N Fork Buffalo Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is 10th Ave over N Fork Buffalo 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 March 2023.

How much traffic does 10th Ave over N Fork Buffalo Creek carry?

About 279 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is 10th Ave over N Fork Buffalo Creek?

The structure is 104 ft (31.7 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns 10th Ave over N Fork Buffalo Creek?

It is owned by the County Highway Agency.