US Bridges

FM 150 ST over Lindsey Creek

Fair

Delaware County, Iowa · 090053203 · Structure no. 000000000142651

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
344
2022 count
Owner
County
County Highway Agency

About this bridge

FM 150 ST over Lindsey Creek is a concrete continuous slab carrying FM 150 ST over Lindsey Creek in Delaware County, Iowa. It was built in 1991, so it is 34 years old, younger 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 344 vehicles a day, roughly 9% of them trucks, projected to reach 344 by 2044. The structure is 116 ft (35.4 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM 150 ST
CrossesLindsey Creek
Location090053203
RouteCounty Highway 0
CountyDelaware County
StateIowa
Coordinates42.57269, -91.44999
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.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 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 rating69 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic344 (2022)
Projected traffic344 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 FM 150 ST over Lindsey Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is FM 150 ST over Lindsey 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 May 2024.

How much traffic does FM 150 ST over Lindsey Creek carry?

About 344 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is FM 150 ST over Lindsey Creek?

The structure is 116 ft (35.4 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns FM 150 ST over Lindsey Creek?

It is owned by the County Highway Agency.