US Bridges

Osr over Tiger Branch

Fair

Brazos County, Texas · 8.6 MI NE of US 190 · Structure no. 170210047502091

Built
1963
62 years old, rebuilt 2021
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
89 ft
7 main spans
Daily traffic
1,722
2020 count
Owner
State
State Highway Agency

About this bridge

Osr over Tiger Branch is a concrete culvert carrying Osr over Tiger Branch in Brazos County, Texas. It was built in 1963 and reconstructed in 2021, so it is 62 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 1,722 vehicles a day, roughly 13% of them trucks, projected to reach 2,927 by 2039. The structure is 89 ft (27.1 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesOsr
CrossesTiger Branch
Location8.6 MI NE of US 190
RouteState Highway 999
CountyBrazos County
StateTexas
Coordinates30.85749, -96.38992
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
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
DeckNot applicable
Main spans7
Design loadOther
Structure length89 ft (27.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,722 (2020)
Projected traffic2,927 by 2039
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Tiger Branch built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2021.

What condition is Osr over Tiger Branch 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 February 2023.

How much traffic does Osr over Tiger Branch carry?

About 1,722 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Osr over Tiger Branch?

The structure is 89 ft (27.1 m) long with a longest span of 10 ft (3 m).

Who owns Osr over Tiger Branch?

It is owned by the State Highway Agency.