US Bridges

Backline Road over Fire Prairie Creek

Fair

Jackson County, Missouri · East of Bld 54A · Structure no. DAPAMCLAK000003

Built
1954
71 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
68 ft
3 main spans
Daily traffic
1
2014 count
Owner
Federal
Army

About this bridge

Backline Road over Fire Prairie Creek is a steel continuous stringer/multi-beam or girder carrying Backline Road over Fire Prairie Creek in Jackson County, Missouri. It was built in 1954, so it is 71 years old, older than the Missouri average of 45.1 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 1 vehicles a day, projected to reach 1 by 2044. The structure is 68 ft (20.6 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBackline Road
CrossesFire Prairie Creek
LocationEast of Bld 54A
CountyJackson County
StateMissouri
Coordinates39.0926, -94.25416
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 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 rating63.7 US tons
Inventory rating38.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length68 ft (20.6 m)
Longest span25 ft (7.6 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2014)
Projected traffic1 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerArmy
Maintained byArmy
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$24,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Backline Road over Fire Prairie Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Backline Road over Fire Prairie 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 September 2023.

How much traffic does Backline Road over Fire Prairie Creek carry?

About 1 vehicles per day (2014 count).

How long is Backline Road over Fire Prairie Creek?

The structure is 68 ft (20.6 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns Backline Road over Fire Prairie Creek?

It is owned by the Army.