US Bridges

US 36 E over Long Br

Fair

Caldwell County, Missouri · S 16 T 57 N R 29 W · Structure no. 817

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
149 ft
3 main spans
Daily traffic
6,326
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 E over Long Br is a steel continuous stringer/multi-beam or girder carrying US 36 E over Long Br in Caldwell County, Missouri. It was built in 1963, so it is 62 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.

It carries about 6,326 vehicles a day, roughly 36% of them trucks, projected to reach 13,285 by 2044. The structure is 149 ft (45.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 36 E
CrossesLong Br
LocationS 16 T 57 N R 29 W
RouteU.S. Route 36
CountyCaldwell County
StateMissouri
Coordinates39.75139, -94.15909
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating30.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length149 ft (45.4 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.6 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,326 (2024)
Projected traffic13,285 by 2044
Trucks36%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 36 E over Long Br built?

It was built in 1963, making it 62 years old in 2025.

What condition is US 36 E over Long Br 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 November 2024.

How much traffic does US 36 E over Long Br carry?

About 6,326 vehicles per day (2024 count), of which roughly 36% are trucks.

How long is US 36 E over Long Br?

The structure is 149 ft (45.4 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns US 36 E over Long Br?

It is owned by the State Highway Agency.