FM over Sugar Creek

Fair

Lee County, Iowa · 068070301 · Structure no. 000000000219110

Built: 1963; 62 years old
Condition: Fair; inspected March 2024
Type: Slab; Concrete Continuous
Length: 102 ft; 3 main spans
Daily traffic: 920; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Sugar Creek is a concrete continuous slab carrying FM over Sugar Creek in Lee County, Iowa. It was built in 1963, so it is 62 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 920 vehicles a day, roughly 18% of them trucks, projected to reach 920 by 2044. The structure is 102 ft (31.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps

CarriesFM

CrossesSugar Creek

Location068070301

RouteCounty Highway 0

CountyLee County

StateIowa

Coordinates40.72633, -91.65155

Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionMarch 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating54.3 US tons

Inventory rating32.5 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 20

Structure length102 ft (31.1 m)

Longest span39 ft (11.9 m)

Deck width32 ft (9.9 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2022)

Projected traffic920 by 2044

Trucks18%

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$280,000

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Sugar Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is FM over Sugar Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does FM over Sugar Creek carry?

About 920 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is FM over Sugar Creek?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns FM over Sugar Creek?

It is owned by the County Highway Agency.