US Bridges

527 TH Road over Long Br

PoorPosted for load

Gentry County, Missouri · S 9 T 62 N R 31 W · Structure no. 21616

Built
1982
43 years old
Condition
Poor
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
2 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

527 TH Road over Long Br is a steel stringer/multi-beam or girder carrying 527 TH Road over Long Br in Gentry County, Missouri. It was built in 1982, so it is 43 years old, younger 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 4 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 40 ft (12.2 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries527 TH Road
CrossesLong Br
LocationS 9 T 62 N R 31 W
RouteCounty Highway 315
Coordinates40.1973, -94.39319
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating19.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans2
Design loadOther
Structure length40 ft (12.2 m)
Longest span28 ft (8.5 m)
Deck width14 ft (4.3 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$344,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 527 TH Road over Long Br built?

It was built in 1982, making it 43 years old in 2025.

What condition is 527 TH Road over Long Br 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 February 2023.

How much traffic does 527 TH Road over Long Br carry?

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

How long is 527 TH Road over Long Br?

The structure is 40 ft (12.2 m) long with a longest span of 28 ft (8.5 m) and a deck 14 ft wide.

Who owns 527 TH Road over Long Br?

It is owned by the County Highway Agency.