US Bridges

Mcpherson RD over Manadas Creek Tributary

Good

Webb County, Texas · 0.25 MI N Shiloh RD · Structure no. 222400B00765003

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
2 main spans
Daily traffic
19,242
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcpherson RD over Manadas Creek Tributary is a prestressed concrete box beam or girders - multiple carrying Mcpherson RD over Manadas Creek Tributary in Webb County, Texas. It was built in 1998, so it is 27 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 19,242 vehicles a day, roughly 8% of them trucks, projected to reach 26,939 by 2042. The structure is 100 ft (30.5 m) long and 81 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMcpherson RD
CrossesManadas Creek Tributary
Location0.25 MI N Shiloh RD
RouteCity Street 0
StateTexas
Coordinates27.59435, -99.4801
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span50 ft (15.2 m)
Deck width81 ft (24.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,242 (2023)
Projected traffic26,939 by 2042
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mcpherson RD over Manadas Creek Tributary built?

It was built in 1998, making it 27 years old in 2025.

What condition is Mcpherson RD over Manadas Creek Tributary in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Mcpherson RD over Manadas Creek Tributary carry?

About 19,242 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Mcpherson RD over Manadas Creek Tributary?

The structure is 100 ft (30.5 m) long with a longest span of 50 ft (15.2 m) and a deck 81 ft wide.

Who owns Mcpherson RD over Manadas Creek Tributary?

It is owned by the City or Municipal Highway Agency.