US Bridges

Olive Ave over Bear CR

Fair

Macon County, Missouri · S 25 T 59 N R 13 W · Structure no. 16645

Built
1989
36 years old
Condition
Fair
inspected December 2023
Type
Girder and Floorbeam System
Steel
Length
61 ft
2 main spans
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Olive Ave over Bear CR is a steel girder and floorbeam system carrying Olive Ave over Bear CR in Macon County, Missouri. It was built in 1989, so it is 36 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 11 by 2044. The structure is 61 ft (18.6 m) long and 17 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesOlive Ave
CrossesBear CR
LocationS 25 T 59 N R 13 W
RouteCounty Highway 127
CountyMacon County
StateMissouri
Coordinates39.88882, -92.30836
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length61 ft (18.6 m)
Longest span49 ft (14.9 m)
Deck width17 ft (5.2 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic11 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Olive Ave over Bear CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Olive Ave over Bear CR 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 December 2023.

How much traffic does Olive Ave over Bear CR carry?

About 10 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Olive Ave over Bear CR?

The structure is 61 ft (18.6 m) long with a longest span of 49 ft (14.9 m) and a deck 17 ft wide.

Who owns Olive Ave over Bear CR?

It is owned by the County Highway Agency.