US Bridges

LCL-307th ST over Creek

Good

Mills County, Iowa · 073413108 · Structure no. 000000000246892

Built
1998
27 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
91 ft
3 main spans
Daily traffic
5
2022 count
Owner
County
County Highway Agency

About this bridge

LCL-307th ST over Creek is a steel stringer/multi-beam or girder carrying LCL-307th ST over Creek in Mills County, Iowa. It was built in 1998, so it is 27 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 91 ft (27.7 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLCL-307th ST
CrossesCreek
Location073413108
RouteCounty Highway 0
StateIowa
Coordinates41.07522, -95.59931
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating27.7 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span39 ft (11.9 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2022)
Projected traffic5 by 2043
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was LCL-307th ST over Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is LCL-307th ST over 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 2023.

How much traffic does LCL-307th ST over Creek carry?

About 5 vehicles per day (2022 count).

How long is LCL-307th ST over Creek?

The structure is 91 ft (27.7 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns LCL-307th ST over Creek?

It is owned by the County Highway Agency.