US Bridges

Elk RD over Br of Locust CR

Good

Linn County, Missouri · S 7 T 60 N R 20 W · Structure no. 29389

Built
2001
24 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Elk RD over Br of Locust CR is a steel stringer/multi-beam or girder carrying Elk RD over Br of Locust CR in Linn County, Missouri. It was built in 2001, so it is 24 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 22 by 2044. The structure is 41 ft (12.4 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesElk RD
CrossesBr of Locust CR
LocationS 7 T 60 N R 20 W
RouteCounty Highway 69
Coordinates40.029, -93.18253
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 rating79.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span39 ft (12 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic22 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Elk RD over Br of Locust CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is Elk RD over Br of Locust CR 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 December 2024.

How much traffic does Elk RD over Br of Locust CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Elk RD over Br of Locust CR?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (12 m) and a deck 21 ft wide.

Who owns Elk RD over Br of Locust CR?

It is owned by the County Highway Agency.