US Bridges

700th ST over Jim Branch of Turkey CR

Good

Cass County, Iowa · 076352602 · Structure no. 000000000099461

Built
2021
4 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

700th ST over Jim Branch of Turkey CR is a steel stringer/multi-beam or girder carrying 700th ST over Jim Branch of Turkey CR in Cass County, Iowa. It was built in 2021, so it is 4 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries700th ST
CrossesJim Branch of Turkey CR
Location076352602
RouteCounty Highway 0
CountyCass County
StateIowa
Coordinates41.35537, -94.85341
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 48 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span56 ft (17.1 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 700th ST over Jim Branch of Turkey CR built?

It was built in 2021, making it 4 years old in 2025.

What condition is 700th ST over Jim Branch of Turkey CR 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 700th ST over Jim Branch of Turkey CR carry?

About 11 vehicles per day (2022 count).

How long is 700th ST over Jim Branch of Turkey CR?

The structure is 57 ft (17.4 m) long with a longest span of 56 ft (17.1 m) and a deck 25 ft wide.

Who owns 700th ST over Jim Branch of Turkey CR?

It is owned by the County Highway Agency.