US Bridges

Glen Allen over Crooked CR

PoorClosed to traffic

Bollinger County, Missouri · S 35 T 31 N R 9 E · Structure no. 17880

Built
1908
117 years old
Condition
Poor
inspected November 2023
Type
Truss - Thru
Steel
Length
102 ft
2 main spans
Daily traffic
100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Glen Allen over Crooked CR is a steel truss - thru carrying Glen Allen over Crooked CR in Bollinger County, Missouri. It was built in 1908, so it is 117 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: closed to all traffic.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 102 ft (31.1 m) long and 12 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGlen Allen
CrossesCrooked CR
LocationS 35 T 31 N R 9 E
RouteCity Street 0
Coordinates37.31461, -90.02837
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.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans2
Design loadOther
Structure length102 ft (31.1 m)
Longest span60 ft (18.3 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic130 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$727,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Glen Allen over Crooked CR built?

It was built in 1908, making it 117 years old in 2025.

What condition is Glen Allen over Crooked CR 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 November 2023.

How much traffic does Glen Allen over Crooked CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Glen Allen over Crooked CR?

The structure is 102 ft (31.1 m) long with a longest span of 60 ft (18.3 m) and a deck 12 ft wide.

Who owns Glen Allen over Crooked CR?

It is owned by the City or Municipal Highway Agency.