US Bridges

Osr over Salt Branch Slough

Fair

Madison County, Texas · 1.1 MI NE of FM 2289 · Structure no. 171540047503073

Built
1958
67 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,273
2020 count
Owner
State
State Highway Agency

About this bridge

Osr over Salt Branch Slough is a concrete culvert carrying Osr over Salt Branch Slough in Madison County, Texas. It was built in 1958, so it is 67 years old, older than the Texas average of 44.4 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.

It carries about 1,273 vehicles a day, roughly 14% of them trucks, projected to reach 2,546 by 2039. The structure is 21 ft (6.4 m) long and 46 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesOsr
CrossesSalt Branch Slough
Location1.1 MI NE of FM 2289
RouteState Highway 999
CountyMadison County
StateTexas
Coordinates31.05105, -96.07265
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width46 ft (13.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,273 (2020)
Projected traffic2,546 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Osr over Salt Branch Slough built?

It was built in 1958, making it 67 years old in 2025.

What condition is Osr over Salt Branch Slough 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 June 2023.

How much traffic does Osr over Salt Branch Slough carry?

About 1,273 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Osr over Salt Branch Slough?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns Osr over Salt Branch Slough?

It is owned by the State Highway Agency.