US Bridges

Austerman RD over Br of Fire Prairie

Fair

Jackson County, Missouri · S 28 T 50 N R 20 W · Structure no. 30779

Built
2002
23 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
72
2024 count
Owner
County
County Highway Agency

About this bridge

Austerman RD over Br of Fire Prairie is a steel stringer/multi-beam or girder carrying Austerman RD over Br of Fire Prairie in Jackson County, Missouri. It was built in 2002, so it is 23 years old, younger 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 72 vehicles a day, roughly 5% of them trucks, projected to reach 108 by 2044. The structure is 74 ft (22.6 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAusterman RD
CrossesBr of Fire Prairie
LocationS 28 T 50 N R 20 W
RouteCounty Highway 107
Coordinates39.11722, -94.10944
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating41.7 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2024)
Projected traffic108 by 2044
Trucks5%
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 Austerman RD over Br of Fire Prairie built?

It was built in 2002, making it 23 years old in 2025.

What condition is Austerman RD over Br of Fire Prairie 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 February 2023.

How much traffic does Austerman RD over Br of Fire Prairie carry?

About 72 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Austerman RD over Br of Fire Prairie?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 29 ft wide.

Who owns Austerman RD over Br of Fire Prairie?

It is owned by the County Highway Agency.