US Bridges

FM Marquis RD over Stream

Fair

Black Hawk County, Iowa · 090130201 · Structure no. 000000000076441

Built
2009
16 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
2 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

FM Marquis RD over Stream is a wood or timber stringer/multi-beam or girder carrying FM Marquis RD over Stream in Black Hawk County, Iowa. It was built in 2009, so it is 16 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 6 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFM Marquis RD
CrossesStream
Location090130201
RouteCounty Highway 0
CountyBlack Hawk County
StateIowa
Coordinates42.64231, -92.35199
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating42.4 US tons
Inventory rating30.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span16 ft (4.9 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM Marquis RD over Stream built?

It was built in 2009, making it 16 years old in 2025.

What condition is FM Marquis RD over Stream 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 April 2023.

How much traffic does FM Marquis RD over Stream carry?

About 49 vehicles per day (2022 count).

How long is FM Marquis RD over Stream?

The structure is 45 ft (13.7 m) long with a longest span of 16 ft (4.9 m) and a deck 24 ft wide.

Who owns FM Marquis RD over Stream?

It is owned by the County Highway Agency.