US Bridges

Noble RD over BNSF RR

Good

Linn County, Missouri · S 12 T 57 N R 18 W · Structure no. 29356

Built
2003
22 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
161 ft
3 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Noble RD over BNSF RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Noble RD over BNSF RR in Linn County, Missouri. It was built in 2003, so it is 22 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 161 ft (49.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNoble RD
CrossesBNSF RR
LocationS 12 T 57 N R 18 W
RouteCounty Highway 473
Coordinates39.77084, -92.87052
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span52 ft (15.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic28 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Noble RD over BNSF RR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Noble RD over BNSF RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Noble RD over BNSF RR carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Noble RD over BNSF RR?

The structure is 161 ft (49.1 m) long with a longest span of 52 ft (15.8 m) and a deck 24 ft wide.

Who owns Noble RD over BNSF RR?

It is owned by the County Highway Agency.