US Bridges

Yellow Rvr RD over Norfolk Creek

Good

Allamakee County, Iowa · T96NR5WSEC6NE · Structure no. 000000000061277

Built
2015
10 years old
Condition
Good
inspected April 2022
Type
Slab
Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
98
2022 count
Owner
County
County Highway Agency

About this bridge

Yellow Rvr RD over Norfolk Creek is a concrete continuous slab carrying Yellow Rvr RD over Norfolk Creek in Allamakee County, Iowa. It was built in 2015, so it is 10 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 98 vehicles a day, roughly 14% of them trucks, projected to reach 98 by 2042. The structure is 143 ft (43.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesYellow Rvr RD
CrossesNorfolk Creek
LocationT96NR5WSEC6NE
RouteCounty Highway 0
StateIowa
Coordinates43.16473, -91.4702
Functional classRural Minor 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 inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length143 ft (43.6 m)
Longest span55 ft (16.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2022)
Projected traffic98 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Yellow Rvr RD over Norfolk Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Yellow Rvr RD over Norfolk 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 April 2022.

How much traffic does Yellow Rvr RD over Norfolk Creek carry?

About 98 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Yellow Rvr RD over Norfolk Creek?

The structure is 143 ft (43.6 m) long with a longest span of 55 ft (16.8 m) and a deck 33 ft wide.

Who owns Yellow Rvr RD over Norfolk Creek?

It is owned by the County Highway Agency.