US Bridges

Local - 740th over Creek

PoorPosted for load

Cass County, Iowa · 076343302 · Structure no. 000000000099120

Built
1900
125 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local - 740th over Creek is a steel stringer/multi-beam or girder carrying Local - 740th over Creek in Cass County, Iowa. It was built in 1900, so it is 125 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 3 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. Its operating status is: posted for load restriction.

It carries about 26 vehicles a day, roughly 19% of them trucks, projected to reach 26 by 2044. The structure is 76 ft (23.2 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal - 740th
CrossesCreek
Location076343302
RouteCounty Highway 0
StateIowa
Coordinates41.33719, -94.77691
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating11.9 US tons
Inventory rating7.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span41 ft (12.5 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
Trucks19%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$809,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local - 740th over Creek built?

It was built in 1900, making it 125 years old in 2025.

What condition is Local - 740th over 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 February 2024.

How much traffic does Local - 740th over Creek carry?

About 26 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Local - 740th over Creek?

The structure is 76 ft (23.2 m) long with a longest span of 41 ft (12.5 m) and a deck 20 ft wide.

Who owns Local - 740th over Creek?

It is owned by the County Highway Agency.