US Bridges

FM 272nd ST over N Fork Maquoketa River

Good

Delaware County, Iowa · 088033605 · Structure no. 000000000140611

Built
1999
26 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
192 ft
3 main spans
Daily traffic
462
2022 count
Owner
County
County Highway Agency

About this bridge

FM 272nd ST over N Fork Maquoketa River is a prestressed concrete stringer/multi-beam or girder carrying FM 272nd ST over N Fork Maquoketa River in Delaware County, Iowa. It was built in 1999, so it is 26 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 462 vehicles a day, roughly 18% of them trucks, projected to reach 462 by 2043. The structure is 192 ft (58.5 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFM 272nd ST
CrossesN Fork Maquoketa River
Location088033605
RouteCounty Highway 0
StateIowa
Coordinates42.39362, -91.13505
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span66 ft (20.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic462 (2022)
Projected traffic462 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 272nd ST over N Fork Maquoketa River built?

It was built in 1999, making it 26 years old in 2025.

What condition is FM 272nd ST over N Fork Maquoketa River 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 February 2023.

How much traffic does FM 272nd ST over N Fork Maquoketa River carry?

About 462 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is FM 272nd ST over N Fork Maquoketa River?

The structure is 192 ft (58.5 m) long with a longest span of 66 ft (20.1 m) and a deck 33 ft wide.

Who owns FM 272nd ST over N Fork Maquoketa River?

It is owned by the County Highway Agency.