US Bridges

2100th ST over Snake Creek

Good

Shelby County, Iowa · 081383001 · Structure no. 000000000307481

Built
2018
7 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
3 main spans
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

2100th ST over Snake Creek is a steel stringer/multi-beam or girder carrying 2100th ST over Snake Creek in Shelby County, Iowa. It was built in 2018, so it is 7 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 46 vehicles a day, roughly 11% of them trucks, projected to reach 46 by 2044. The structure is 74 ft (22.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries2100th ST
CrossesSnake Creek
Location081383001
RouteCounty Highway 0
CountyShelby County
StateIowa
Coordinates41.80663, -95.32202
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans3
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2044
Trucks11%
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 2100th ST over Snake Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is 2100th ST over Snake 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 2100th ST over Snake Creek carry?

About 46 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is 2100th ST over Snake Creek?

The structure is 74 ft (22.6 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns 2100th ST over Snake Creek?

It is owned by the County Highway Agency.