US Bridges

290 TH / E57 over Snake Creek

Poor

Greene County, Iowa · 082291103 · Structure no. 000000000161590

Built
1959
66 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
108
2022 count
Owner
County
County Highway Agency

About this bridge

290 TH / E57 over Snake Creek is a prestressed concrete stringer/multi-beam or girder carrying 290 TH / E57 over Snake Creek in Greene County, Iowa. It was built in 1959, so it is 66 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 108 vehicles a day, projected to reach 108 by 2044. The structure is 45 ft (13.7 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries290 TH / E57
CrossesSnake Creek
Location082291103
RouteCounty Highway 0
CountyGreene County
StateIowa
Coordinates41.93551, -94.19129
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.5 US tons
Inventory rating30.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2022)
Projected traffic108 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 290 TH / E57 over Snake Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is 290 TH / E57 over Snake Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does 290 TH / E57 over Snake Creek carry?

About 108 vehicles per day (2022 count).

How long is 290 TH / E57 over Snake Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.

Who owns 290 TH / E57 over Snake Creek?

It is owned by the County Highway Agency.