US Bridges

Old HWY 49N over Silver Creek at Midnight

FairPosted for load

Humphreys County, Mississippi · Sec 23 T14N R 4W · Structure no. SA2700000000033

Built
1937
88 years old
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete
Length
81 ft
3 main spans
Daily traffic
180
2018 count
Owner
County
County Highway Agency

About this bridge

Old HWY 49N over Silver Creek at Midnight is a concrete tee beam carrying Old HWY 49N over Silver Creek at Midnight in Humphreys County, Mississippi. It was built in 1937, so it is 88 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 180 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2044. The structure is 81 ft (24.6 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOld HWY 49N
CrossesSilver Creek at Midnight
LocationSec 23 T14N R 4W
RouteCounty Highway 224
Coordinates33.05129, -90.57257
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.6 m)
Longest span27 ft (8.1 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2018)
Projected traffic270 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$276,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old HWY 49N over Silver Creek at Midnight built?

It was built in 1937, making it 88 years old in 2025.

What condition is Old HWY 49N over Silver Creek at Midnight 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 Old HWY 49N over Silver Creek at Midnight carry?

About 180 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Old HWY 49N over Silver Creek at Midnight?

The structure is 81 ft (24.6 m) long with a longest span of 27 ft (8.1 m) and a deck 21 ft wide.

Who owns Old HWY 49N over Silver Creek at Midnight?

It is owned by the County Highway Agency.