US Bridges

Smyrna RD over Finley Rvr

PoorClosed to traffic

Christian County, Missouri · S 18 T 27 N R 20 W · Structure no. 20153

Built
1912
113 years old, rebuilt 2004
Condition
Poor
inspected January 2023
Type
Truss - Thru
Steel
Length
281 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Smyrna RD over Finley Rvr is a steel truss - thru carrying Smyrna RD over Finley Rvr in Christian County, Missouri. It was built in 1912 and reconstructed in 2004, so it is 113 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 2 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 300 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2043. The structure is 281 ft (85.6 m) long and 12 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSmyrna RD
CrossesFinley Rvr
LocationS 18 T 27 N R 20 W
RouteCounty Highway 249
Coordinates37.03709, -93.17123
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.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckClosed grating
Main spans1 (+5 approach)
Design loadOther
Structure length281 ft (85.6 m)
Longest span119 ft (36.3 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic300 (2023)
Projected traffic600 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Smyrna RD over Finley Rvr built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 2004.

What condition is Smyrna RD over Finley Rvr 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 January 2023.

How much traffic does Smyrna RD over Finley Rvr carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Smyrna RD over Finley Rvr?

The structure is 281 ft (85.6 m) long with a longest span of 119 ft (36.3 m) and a deck 12 ft wide.

Who owns Smyrna RD over Finley Rvr?

It is owned by the County Highway Agency.