US Bridges

County RD 049 over BNSF RR

FairPosted for load

Knox County, Missouri · S 3 T 63 N R 11 W · Structure no. 13829

Built
1930
95 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
145 ft
11 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 049 over BNSF RR is a steel girder and floorbeam system carrying County RD 049 over BNSF RR in Knox County, Missouri. It was built in 1930, so it is 95 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 145 ft (44.2 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty RD 049
CrossesBNSF RR
LocationS 3 T 63 N R 11 W
RouteCounty Highway 49
CountyKnox County
StateMissouri
Coordinates40.30053, -92.10686
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating14.9 US tons
Inventory rating7.9 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans11
Design loadOther
Structure length145 ft (44.2 m)
Longest span45 ft (13.7 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic44 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$982,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County RD 049 over BNSF RR built?

It was built in 1930, making it 95 years old in 2025.

What condition is County RD 049 over BNSF RR 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 August 2023.

How much traffic does County RD 049 over BNSF RR carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 049 over BNSF RR?

The structure is 145 ft (44.2 m) long with a longest span of 45 ft (13.7 m) and a deck 16 ft wide.

Who owns County RD 049 over BNSF RR?

It is owned by the County Highway Agency.