US Bridges

SH 130 SB on Ramp over Mankins Branch

Fair

Williamson County, Texas · 1.90 MI S of SH 29 · Structure no. 142460044005041

Built
2006
19 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
2 main spans
Daily traffic
200
2016 count
Owner
State
State Highway Agency

About this bridge

SH 130 SB on Ramp over Mankins Branch is a prestressed concrete stringer/multi-beam or girder carrying SH 130 SB on Ramp over Mankins Branch 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 200 vehicles a day, roughly 15% of them trucks, projected to reach 1,037 by 2036. The structure is 310 ft (94.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSH 130 SB on Ramp
CrossesMankins Branch
Location1.90 MI S of SH 29
CountyWilliamson County
StateTexas
Coordinates30.61993, -97.6142
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+1 approach)
Design loadHS 25 or greater
Structure length310 ft (94.5 m)
Longest span115 ft (35.1 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2016)
Projected traffic1,037 by 2036
Trucks15%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a toll road
National Highway SystemNo

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 SB on Ramp over Mankins Branch built?

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

What condition is SH 130 SB on Ramp over Mankins 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 September 2023.

How much traffic does SH 130 SB on Ramp over Mankins Branch carry?

About 200 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is SH 130 SB on Ramp over Mankins Branch?

The structure is 310 ft (94.5 m) long with a longest span of 115 ft (35.1 m) and a deck 26 ft wide.

Who owns SH 130 SB on Ramp over Mankins Branch?

It is owned by the State Highway Agency.