US Bridges

Nettle over Beaver Dam Creek

Good

Cerro Gordo County, Iowa · 094201702 · Structure no. 000000000105271

Built
1985
40 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Concrete
Length
153 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Nettle over Beaver Dam Creek is a concrete tee beam carrying Nettle over Beaver Dam Creek in Cerro Gordo County, Iowa. It was built in 1985, so it is 40 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 30 by 2044. The structure is 153 ft (46.6 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNettle
CrossesBeaver Dam Creek
Location094201702
RouteCounty Highway 0
StateIowa
Coordinates42.9606, -93.24201
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.5 US tons
Inventory rating27.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length153 ft (46.6 m)
Longest span51 ft (15.5 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2044
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Nettle over Beaver Dam Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nettle over Beaver Dam 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 March 2024.

How much traffic does Nettle over Beaver Dam Creek carry?

About 30 vehicles per day (2022 count).

How long is Nettle over Beaver Dam Creek?

The structure is 153 ft (46.6 m) long with a longest span of 51 ft (15.5 m) and a deck 26 ft wide.

Who owns Nettle over Beaver Dam Creek?

It is owned by the County Highway Agency.