US Bridges

SH 130 over Mankins Branch Trib

Fair

Williamson County, Texas · 0.40 MI S of SH 29 · Structure no. 142460044005034

Built
2006
19 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
6,400
2016 count
Owner
State
State Highway Agency

About this bridge

SH 130 over Mankins Branch Trib is a concrete culvert carrying SH 130 over Mankins Branch Trib in Williamson County, Texas. It was built in 2006, so it is 19 years old, younger 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 6,400 vehicles a day, roughly 15% of them trucks, projected to reach 30,000 by 2036. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 130
CrossesMankins Branch Trib
Location0.40 MI S of SH 29
CountyWilliamson County
StateTexas
Coordinates30.63636, -97.62843
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2016)
Projected traffic30,000 by 2036
Trucks15%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 130 over Mankins Branch Trib built?

It was built in 2006, making it 19 years old in 2025.

What condition is SH 130 over Mankins Branch Trib 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 September 2023.

How much traffic does SH 130 over Mankins Branch Trib carry?

About 6,400 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is SH 130 over Mankins Branch Trib?

The structure is 44 ft (13.4 m) long with a longest span of 8 ft (2.4 m).

Who owns SH 130 over Mankins Branch Trib?

It is owned by the State Highway Agency.