US Bridges

County RD 800 over Branch

PoorPosted for load

Monroe County, Missouri · S 29 T 53 N R 10 W · Structure no. 14716

Built
1920
105 years old, rebuilt 1983
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 800 over Branch is a steel stringer/multi-beam or girder carrying County RD 800 over Branch in Monroe County, Missouri. It was built in 1920 and reconstructed in 1983, so it is 105 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2043. The structure is 32 ft (9.8 m) long and 14 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCounty RD 800
CrossesBranch
LocationS 29 T 53 N R 10 W
RouteCounty Highway 73
Coordinates39.34172, -92.04819
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.8 US tons
Inventory rating11.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic38 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$311,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 800 over Branch built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1983.

What condition is County RD 800 over Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does County RD 800 over Branch carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 800 over Branch?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 14 ft wide.

Who owns County RD 800 over Branch?

It is owned by the County Highway Agency.